Home / 10,609.40-15,913.49-3,587.04

Finding the Fourth Proportional to 10,609.40, 15,913.49 and 3,587.04

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Solution

The fourth proportional to 10,609.40, 15,913.49 and 3,587.04 is: 5,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.40 : 15,913.49 = 3,587.04 : x
  2. Step 2: Convert to fraction form
    10,609.40/15,913.49 = 3,587.04/x
  3. Step 3: Cross multiply
    10,609.40x = 15,913.49 × 3,587.04
  4. Step 4: Simplify right side
    10,609.40x = 57,082,307.23
  5. Step 5: Solve for x
    x = 57,082,307.23/10,609.40
  6. Step 6: Final answer
    x = 5,380.35

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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.