Home / 10,612.02-14,646.39-6,138.50

Finding the Fourth Proportional to 10,612.02, 14,646.39 and 6,138.50

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Solution

The fourth proportional to 10,612.02, 14,646.39 and 6,138.50 is: 8,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.02 : 14,646.39 = 6,138.50 : x
  2. Step 2: Convert to fraction form
    10,612.02/14,646.39 = 6,138.50/x
  3. Step 3: Cross multiply
    10,612.02x = 14,646.39 × 6,138.50
  4. Step 4: Simplify right side
    10,612.02x = 89,906,791.78
  5. Step 5: Solve for x
    x = 89,906,791.78/10,612.02
  6. Step 6: Final answer
    x = 8,472.17

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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.