Home / 10,983.52-15,156.30-6,506.52

Finding the Fourth Proportional to 10,983.52, 15,156.30 and 6,506.52

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Solution

The fourth proportional to 10,983.52, 15,156.30 and 6,506.52 is: 8,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.52 : 15,156.30 = 6,506.52 : x
  2. Step 2: Convert to fraction form
    10,983.52/15,156.30 = 6,506.52/x
  3. Step 3: Cross multiply
    10,983.52x = 15,156.30 × 6,506.52
  4. Step 4: Simplify right side
    10,983.52x = 98,614,700.04
  5. Step 5: Solve for x
    x = 98,614,700.04/10,983.52
  6. Step 6: Final answer
    x = 8,978.42

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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.