Home / 8,807.17-12,153.51-5,272.33

Finding the Fourth Proportional to 8,807.17, 12,153.51 and 5,272.33

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Solution

The fourth proportional to 8,807.17, 12,153.51 and 5,272.33 is: 7,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.17 : 12,153.51 = 5,272.33 : x
  2. Step 2: Convert to fraction form
    8,807.17/12,153.51 = 5,272.33/x
  3. Step 3: Cross multiply
    8,807.17x = 12,153.51 × 5,272.33
  4. Step 4: Simplify right side
    8,807.17x = 64,077,350.34
  5. Step 5: Solve for x
    x = 64,077,350.34/8,807.17
  6. Step 6: Final answer
    x = 7,275.59

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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.