Home / 9,335.28-12,875.04-6,814.56

Finding the Fourth Proportional to 9,335.28, 12,875.04 and 6,814.56

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Solution

The fourth proportional to 9,335.28, 12,875.04 and 6,814.56 is: 9,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.28 : 12,875.04 = 6,814.56 : x
  2. Step 2: Convert to fraction form
    9,335.28/12,875.04 = 6,814.56/x
  3. Step 3: Cross multiply
    9,335.28x = 12,875.04 × 6,814.56
  4. Step 4: Simplify right side
    9,335.28x = 87,737,732.58
  5. Step 5: Solve for x
    x = 87,737,732.58/9,335.28
  6. Step 6: Final answer
    x = 9,398.51

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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.