Home / 10,045.21-15,070.80-3,472.06

Finding the Fourth Proportional to 10,045.21, 15,070.80 and 3,472.06

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Solution

The fourth proportional to 10,045.21, 15,070.80 and 3,472.06 is: 5,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.21 : 15,070.80 = 3,472.06 : x
  2. Step 2: Convert to fraction form
    10,045.21/15,070.80 = 3,472.06/x
  3. Step 3: Cross multiply
    10,045.21x = 15,070.80 × 3,472.06
  4. Step 4: Simplify right side
    10,045.21x = 52,326,721.85
  5. Step 5: Solve for x
    x = 52,326,721.85/10,045.21
  6. Step 6: Final answer
    x = 5,209.12

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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.