Home / 10,031.31-15,044.40-4,112.37

Finding the Fourth Proportional to 10,031.31, 15,044.40 and 4,112.37

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Solution

The fourth proportional to 10,031.31, 15,044.40 and 4,112.37 is: 6,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.31 : 15,044.40 = 4,112.37 : x
  2. Step 2: Convert to fraction form
    10,031.31/15,044.40 = 4,112.37/x
  3. Step 3: Cross multiply
    10,031.31x = 15,044.40 × 4,112.37
  4. Step 4: Simplify right side
    10,031.31x = 61,868,139.23
  5. Step 5: Solve for x
    x = 61,868,139.23/10,031.31
  6. Step 6: Final answer
    x = 6,167.50

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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.