Home / 9,654.81-13,324.56-5,877.15

Finding the Fourth Proportional to 9,654.81, 13,324.56 and 5,877.15

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Solution

The fourth proportional to 9,654.81, 13,324.56 and 5,877.15 is: 8,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,654.81 : 13,324.56 = 5,877.15 : x
  2. Step 2: Convert to fraction form
    9,654.81/13,324.56 = 5,877.15/x
  3. Step 3: Cross multiply
    9,654.81x = 13,324.56 × 5,877.15
  4. Step 4: Simplify right side
    9,654.81x = 78,310,341.80
  5. Step 5: Solve for x
    x = 78,310,341.80/9,654.81
  6. Step 6: Final answer
    x = 8,111.02

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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.