Home / 8,700.26-12,003.52-5,341.38

Finding the Fourth Proportional to 8,700.26, 12,003.52 and 5,341.38

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Solution

The fourth proportional to 8,700.26, 12,003.52 and 5,341.38 is: 7,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.26 : 12,003.52 = 5,341.38 : x
  2. Step 2: Convert to fraction form
    8,700.26/12,003.52 = 5,341.38/x
  3. Step 3: Cross multiply
    8,700.26x = 12,003.52 × 5,341.38
  4. Step 4: Simplify right side
    8,700.26x = 64,115,361.66
  5. Step 5: Solve for x
    x = 64,115,361.66/8,700.26
  6. Step 6: Final answer
    x = 7,369.36

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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.