Home / 8,013.57-11,055.13-4,654.56

Finding the Fourth Proportional to 8,013.57, 11,055.13 and 4,654.56

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Solution

The fourth proportional to 8,013.57, 11,055.13 and 4,654.56 is: 6,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.57 : 11,055.13 = 4,654.56 : x
  2. Step 2: Convert to fraction form
    8,013.57/11,055.13 = 4,654.56/x
  3. Step 3: Cross multiply
    8,013.57x = 11,055.13 × 4,654.56
  4. Step 4: Simplify right side
    8,013.57x = 51,456,742.62
  5. Step 5: Solve for x
    x = 51,456,742.62/8,013.57
  6. Step 6: Final answer
    x = 6,421.20

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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.