Home / 9,517.85-13,140.56-6,116.23

Finding the Fourth Proportional to 9,517.85, 13,140.56 and 6,116.23

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Solution

The fourth proportional to 9,517.85, 13,140.56 and 6,116.23 is: 8,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.85 : 13,140.56 = 6,116.23 : x
  2. Step 2: Convert to fraction form
    9,517.85/13,140.56 = 6,116.23/x
  3. Step 3: Cross multiply
    9,517.85x = 13,140.56 × 6,116.23
  4. Step 4: Simplify right side
    9,517.85x = 80,370,623.86
  5. Step 5: Solve for x
    x = 80,370,623.86/9,517.85
  6. Step 6: Final answer
    x = 8,444.20

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Double scale
Find fourth proportional to 9,518.85, 13,141.94 and 6,117.23
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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.