Home / 10,988.30-16,477.50-6,548.04

Finding the Fourth Proportional to 10,988.30, 16,477.50 and 6,548.04

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Solution

The fourth proportional to 10,988.30, 16,477.50 and 6,548.04 is: 9,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.30 : 16,477.50 = 6,548.04 : x
  2. Step 2: Convert to fraction form
    10,988.30/16,477.50 = 6,548.04/x
  3. Step 3: Cross multiply
    10,988.30x = 16,477.50 × 6,548.04
  4. Step 4: Simplify right side
    10,988.30x = 107,895,329.10
  5. Step 5: Solve for x
    x = 107,895,329.10/10,988.30
  6. Step 6: Final answer
    x = 9,819.11

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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.