Home / 10,932.02-16,398.14-3,140.84

Finding the Fourth Proportional to 10,932.02, 16,398.14 and 3,140.84

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Solution

The fourth proportional to 10,932.02, 16,398.14 and 3,140.84 is: 4,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.02 : 16,398.14 = 3,140.84 : x
  2. Step 2: Convert to fraction form
    10,932.02/16,398.14 = 3,140.84/x
  3. Step 3: Cross multiply
    10,932.02x = 16,398.14 × 3,140.84
  4. Step 4: Simplify right side
    10,932.02x = 51,503,836.34
  5. Step 5: Solve for x
    x = 51,503,836.34/10,932.02
  6. Step 6: Final answer
    x = 4,711.28

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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.