Home / 10,952.64-16,428.96-9,306.72

Finding the Fourth Proportional to 10,952.64, 16,428.96 and 9,306.72

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Solution

The fourth proportional to 10,952.64, 16,428.96 and 9,306.72 is: 13,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.64 : 16,428.96 = 9,306.72 : x
  2. Step 2: Convert to fraction form
    10,952.64/16,428.96 = 9,306.72/x
  3. Step 3: Cross multiply
    10,952.64x = 16,428.96 × 9,306.72
  4. Step 4: Simplify right side
    10,952.64x = 152,899,730.61
  5. Step 5: Solve for x
    x = 152,899,730.61/10,952.64
  6. Step 6: Final answer
    x = 13,960.08

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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.