Home / 10,031.34-15,048.41-4,186.61

Finding the Fourth Proportional to 10,031.34, 15,048.41 and 4,186.61

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Solution

The fourth proportional to 10,031.34, 15,048.41 and 4,186.61 is: 6,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.34 : 15,048.41 = 4,186.61 : x
  2. Step 2: Convert to fraction form
    10,031.34/15,048.41 = 4,186.61/x
  3. Step 3: Cross multiply
    10,031.34x = 15,048.41 × 4,186.61
  4. Step 4: Simplify right side
    10,031.34x = 63,001,823.79
  5. Step 5: Solve for x
    x = 63,001,823.79/10,031.34
  6. Step 6: Final answer
    x = 6,280.50

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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.