Home / 9,747.66-13,456.02-6,215.52

Finding the Fourth Proportional to 9,747.66, 13,456.02 and 6,215.52

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Solution

The fourth proportional to 9,747.66, 13,456.02 and 6,215.52 is: 8,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.66 : 13,456.02 = 6,215.52 : x
  2. Step 2: Convert to fraction form
    9,747.66/13,456.02 = 6,215.52/x
  3. Step 3: Cross multiply
    9,747.66x = 13,456.02 × 6,215.52
  4. Step 4: Simplify right side
    9,747.66x = 83,636,161.43
  5. Step 5: Solve for x
    x = 83,636,161.43/9,747.66
  6. Step 6: Final answer
    x = 8,580.13

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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.