Home / 10,932.05-16,409.46-9,690.53

Finding the Fourth Proportional to 10,932.05, 16,409.46 and 9,690.53

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Solution

The fourth proportional to 10,932.05, 16,409.46 and 9,690.53 is: 14,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.05 : 16,409.46 = 9,690.53 : x
  2. Step 2: Convert to fraction form
    10,932.05/16,409.46 = 9,690.53/x
  3. Step 3: Cross multiply
    10,932.05x = 16,409.46 × 9,690.53
  4. Step 4: Simplify right side
    10,932.05x = 159,016,364.41
  5. Step 5: Solve for x
    x = 159,016,364.41/10,932.05
  6. Step 6: Final answer
    x = 14,545.89

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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.