Home / 10,631.52-15,948-3,612.24

Finding the Fourth Proportional to 10,631.52, 15,948 and 3,612.24

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Solution

The fourth proportional to 10,631.52, 15,948 and 3,612.24 is: 5,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.52 : 15,948 = 3,612.24 : x
  2. Step 2: Convert to fraction form
    10,631.52/15,948 = 3,612.24/x
  3. Step 3: Cross multiply
    10,631.52x = 15,948 × 3,612.24
  4. Step 4: Simplify right side
    10,631.52x = 57,608,003.52
  5. Step 5: Solve for x
    x = 57,608,003.52/10,631.52
  6. Step 6: Final answer
    x = 5,418.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.