Home / 10,781.70-14,876.50-6,304.58

Finding the Fourth Proportional to 10,781.70, 14,876.50 and 6,304.58

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Solution

The fourth proportional to 10,781.70, 14,876.50 and 6,304.58 is: 8,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.70 : 14,876.50 = 6,304.58 : x
  2. Step 2: Convert to fraction form
    10,781.70/14,876.50 = 6,304.58/x
  3. Step 3: Cross multiply
    10,781.70x = 14,876.50 × 6,304.58
  4. Step 4: Simplify right side
    10,781.70x = 93,790,084.37
  5. Step 5: Solve for x
    x = 93,790,084.37/10,781.70
  6. Step 6: Final answer
    x = 8,699.01

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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.