Home / 10,031.26-15,038.69-3,787.73

Finding the Fourth Proportional to 10,031.26, 15,038.69 and 3,787.73

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Solution

The fourth proportional to 10,031.26, 15,038.69 and 3,787.73 is: 5,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.26 : 15,038.69 = 3,787.73 : x
  2. Step 2: Convert to fraction form
    10,031.26/15,038.69 = 3,787.73/x
  3. Step 3: Cross multiply
    10,031.26x = 15,038.69 × 3,787.73
  4. Step 4: Simplify right side
    10,031.26x = 56,962,515.93
  5. Step 5: Solve for x
    x = 56,962,515.93/10,031.26
  6. Step 6: Final answer
    x = 5,678.50

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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.