Home / 8,736.47-12,055.96-4,757.57

Finding the Fourth Proportional to 8,736.47, 12,055.96 and 4,757.57

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Solution

The fourth proportional to 8,736.47, 12,055.96 and 4,757.57 is: 6,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.47 : 12,055.96 = 4,757.57 : x
  2. Step 2: Convert to fraction form
    8,736.47/12,055.96 = 4,757.57/x
  3. Step 3: Cross multiply
    8,736.47x = 12,055.96 × 4,757.57
  4. Step 4: Simplify right side
    8,736.47x = 57,357,013.34
  5. Step 5: Solve for x
    x = 57,357,013.34/8,736.47
  6. Step 6: Final answer
    x = 6,565.24

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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.