Home / 10,031.28-15,048.81-4,484.85

Finding the Fourth Proportional to 10,031.28, 15,048.81 and 4,484.85

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Solution

The fourth proportional to 10,031.28, 15,048.81 and 4,484.85 is: 6,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.28 : 15,048.81 = 4,484.85 : x
  2. Step 2: Convert to fraction form
    10,031.28/15,048.81 = 4,484.85/x
  3. Step 3: Cross multiply
    10,031.28x = 15,048.81 × 4,484.85
  4. Step 4: Simplify right side
    10,031.28x = 67,491,655.53
  5. Step 5: Solve for x
    x = 67,491,655.53/10,031.28
  6. Step 6: Final answer
    x = 6,728.12

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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.