Home / 10,101.13-15,152.96-3,438.74

Finding the Fourth Proportional to 10,101.13, 15,152.96 and 3,438.74

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Solution

The fourth proportional to 10,101.13, 15,152.96 and 3,438.74 is: 5,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.13 : 15,152.96 = 3,438.74 : x
  2. Step 2: Convert to fraction form
    10,101.13/15,152.96 = 3,438.74/x
  3. Step 3: Cross multiply
    10,101.13x = 15,152.96 × 3,438.74
  4. Step 4: Simplify right side
    10,101.13x = 52,107,089.67
  5. Step 5: Solve for x
    x = 52,107,089.67/10,101.13
  6. Step 6: Final answer
    x = 5,158.54

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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.