Home / 10,031.40-15,049.19-3,011.13

Finding the Fourth Proportional to 10,031.40, 15,049.19 and 3,011.13

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Solution

The fourth proportional to 10,031.40, 15,049.19 and 3,011.13 is: 4,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.40 : 15,049.19 = 3,011.13 : x
  2. Step 2: Convert to fraction form
    10,031.40/15,049.19 = 3,011.13/x
  3. Step 3: Cross multiply
    10,031.40x = 15,049.19 × 3,011.13
  4. Step 4: Simplify right side
    10,031.40x = 45,315,075.01
  5. Step 5: Solve for x
    x = 45,315,075.01/10,031.40
  6. Step 6: Final answer
    x = 4,517.32

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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.