Home / 11,120.76-15,352.23-8,597.16

Finding the Fourth Proportional to 11,120.76, 15,352.23 and 8,597.16

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Solution

The fourth proportional to 11,120.76, 15,352.23 and 8,597.16 is: 11,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.76 : 15,352.23 = 8,597.16 : x
  2. Step 2: Convert to fraction form
    11,120.76/15,352.23 = 8,597.16/x
  3. Step 3: Cross multiply
    11,120.76x = 15,352.23 × 8,597.16
  4. Step 4: Simplify right side
    11,120.76x = 131,985,577.67
  5. Step 5: Solve for x
    x = 131,985,577.67/11,120.76
  6. Step 6: Final answer
    x = 11,868.40

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Half scale
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Double scale
Find fourth proportional to 11,121.76, 15,353.61 and 8,598.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.