Home / 10,531.15-14,532.41-5,815.13

Finding the Fourth Proportional to 10,531.15, 14,532.41 and 5,815.13

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Solution

The fourth proportional to 10,531.15, 14,532.41 and 5,815.13 is: 8,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.15 : 14,532.41 = 5,815.13 : x
  2. Step 2: Convert to fraction form
    10,531.15/14,532.41 = 5,815.13/x
  3. Step 3: Cross multiply
    10,531.15x = 14,532.41 × 5,815.13
  4. Step 4: Simplify right side
    10,531.15x = 84,507,795.24
  5. Step 5: Solve for x
    x = 84,507,795.24/10,531.15
  6. Step 6: Final answer
    x = 8,024.56

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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.