Home / 10,422.48-14,384.88-6,231.12

Finding the Fourth Proportional to 10,422.48, 14,384.88 and 6,231.12

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Solution

The fourth proportional to 10,422.48, 14,384.88 and 6,231.12 is: 8,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.48 : 14,384.88 = 6,231.12 : x
  2. Step 2: Convert to fraction form
    10,422.48/14,384.88 = 6,231.12/x
  3. Step 3: Cross multiply
    10,422.48x = 14,384.88 × 6,231.12
  4. Step 4: Simplify right side
    10,422.48x = 89,633,913.47
  5. Step 5: Solve for x
    x = 89,633,913.47/10,422.48
  6. Step 6: Final answer
    x = 8,600.06

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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.