Home / 10,070.32-15,109.80-3,497.44

Finding the Fourth Proportional to 10,070.32, 15,109.80 and 3,497.44

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Solution

The fourth proportional to 10,070.32, 15,109.80 and 3,497.44 is: 5,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.32 : 15,109.80 = 3,497.44 : x
  2. Step 2: Convert to fraction form
    10,070.32/15,109.80 = 3,497.44/x
  3. Step 3: Cross multiply
    10,070.32x = 15,109.80 × 3,497.44
  4. Step 4: Simplify right side
    10,070.32x = 52,845,618.91
  5. Step 5: Solve for x
    x = 52,845,618.91/10,070.32
  6. Step 6: Final answer
    x = 5,247.66

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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.