Home / 10,101.28-15,152.17-3,437.77

Finding the Fourth Proportional to 10,101.28, 15,152.17 and 3,437.77

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Solution

The fourth proportional to 10,101.28, 15,152.17 and 3,437.77 is: 5,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.28 : 15,152.17 = 3,437.77 : x
  2. Step 2: Convert to fraction form
    10,101.28/15,152.17 = 3,437.77/x
  3. Step 3: Cross multiply
    10,101.28x = 15,152.17 × 3,437.77
  4. Step 4: Simplify right side
    10,101.28x = 52,089,675.46
  5. Step 5: Solve for x
    x = 52,089,675.46/10,101.28
  6. Step 6: Final answer
    x = 5,156.74

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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.