Home / 8,085.36-11,157.51-4,500.20

Finding the Fourth Proportional to 8,085.36, 11,157.51 and 4,500.20

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Solution

The fourth proportional to 8,085.36, 11,157.51 and 4,500.20 is: 6,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.36 : 11,157.51 = 4,500.20 : x
  2. Step 2: Convert to fraction form
    8,085.36/11,157.51 = 4,500.20/x
  3. Step 3: Cross multiply
    8,085.36x = 11,157.51 × 4,500.20
  4. Step 4: Simplify right side
    8,085.36x = 50,210,970.71
  5. Step 5: Solve for x
    x = 50,210,970.71/8,085.36
  6. Step 6: Final answer
    x = 6,210.11

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Half scale
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Double scale
Find fourth proportional to 8,086.36, 11,158.89 and 4,501.20
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.