Home / 10,949.16-15,111.32-6,475.53

Finding the Fourth Proportional to 10,949.16, 15,111.32 and 6,475.53

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Solution

The fourth proportional to 10,949.16, 15,111.32 and 6,475.53 is: 8,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.16 : 15,111.32 = 6,475.53 : x
  2. Step 2: Convert to fraction form
    10,949.16/15,111.32 = 6,475.53/x
  3. Step 3: Cross multiply
    10,949.16x = 15,111.32 × 6,475.53
  4. Step 4: Simplify right side
    10,949.16x = 97,853,773.62
  5. Step 5: Solve for x
    x = 97,853,773.62/10,949.16
  6. Step 6: Final answer
    x = 8,937.10

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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.