Home / 10,031.84-15,049.18-4,187.12

Finding the Fourth Proportional to 10,031.84, 15,049.18 and 4,187.12

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Solution

The fourth proportional to 10,031.84, 15,049.18 and 4,187.12 is: 6,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.84 : 15,049.18 = 4,187.12 : x
  2. Step 2: Convert to fraction form
    10,031.84/15,049.18 = 4,187.12/x
  3. Step 3: Cross multiply
    10,031.84x = 15,049.18 × 4,187.12
  4. Step 4: Simplify right side
    10,031.84x = 63,012,722.56
  5. Step 5: Solve for x
    x = 63,012,722.56/10,031.84
  6. Step 6: Final answer
    x = 6,281.27

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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.