Home / 12,377.33-17,088.48-8,599.28

Finding the Fourth Proportional to 12,377.33, 17,088.48 and 8,599.28

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Solution

The fourth proportional to 12,377.33, 17,088.48 and 8,599.28 is: 11,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.33 : 17,088.48 = 8,599.28 : x
  2. Step 2: Convert to fraction form
    12,377.33/17,088.48 = 8,599.28/x
  3. Step 3: Cross multiply
    12,377.33x = 17,088.48 × 8,599.28
  4. Step 4: Simplify right side
    12,377.33x = 146,948,624.29
  5. Step 5: Solve for x
    x = 146,948,624.29/12,377.33
  6. Step 6: Final answer
    x = 11,872.40

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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.