Home / 10,001.04-15,001.95-3,431.73

Finding the Fourth Proportional to 10,001.04, 15,001.95 and 3,431.73

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Solution

The fourth proportional to 10,001.04, 15,001.95 and 3,431.73 is: 5,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.04 : 15,001.95 = 3,431.73 : x
  2. Step 2: Convert to fraction form
    10,001.04/15,001.95 = 3,431.73/x
  3. Step 3: Cross multiply
    10,001.04x = 15,001.95 × 3,431.73
  4. Step 4: Simplify right side
    10,001.04x = 51,482,641.87
  5. Step 5: Solve for x
    x = 51,482,641.87/10,001.04
  6. Step 6: Final answer
    x = 5,147.73

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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.