Home / 10,767.30-16,128.90-6,374.04

Finding the Fourth Proportional to 10,767.30, 16,128.90 and 6,374.04

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Solution

The fourth proportional to 10,767.30, 16,128.90 and 6,374.04 is: 9,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.30 : 16,128.90 = 6,374.04 : x
  2. Step 2: Convert to fraction form
    10,767.30/16,128.90 = 6,374.04/x
  3. Step 3: Cross multiply
    10,767.30x = 16,128.90 × 6,374.04
  4. Step 4: Simplify right side
    10,767.30x = 102,806,253.76
  5. Step 5: Solve for x
    x = 102,806,253.76/10,767.30
  6. Step 6: Final answer
    x = 9,548.01

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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.