Home / 10,381.61-14,328.45-6,132.39

Finding the Fourth Proportional to 10,381.61, 14,328.45 and 6,132.39

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Solution

The fourth proportional to 10,381.61, 14,328.45 and 6,132.39 is: 8,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.61 : 14,328.45 = 6,132.39 : x
  2. Step 2: Convert to fraction form
    10,381.61/14,328.45 = 6,132.39/x
  3. Step 3: Cross multiply
    10,381.61x = 14,328.45 × 6,132.39
  4. Step 4: Simplify right side
    10,381.61x = 87,867,643.50
  5. Step 5: Solve for x
    x = 87,867,643.50/10,381.61
  6. Step 6: Final answer
    x = 8,463.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.