Home / 10,881.21-15,024.54-8,359.32

Finding the Fourth Proportional to 10,881.21, 15,024.54 and 8,359.32

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Solution

The fourth proportional to 10,881.21, 15,024.54 and 8,359.32 is: 11,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.21 : 15,024.54 = 8,359.32 : x
  2. Step 2: Convert to fraction form
    10,881.21/15,024.54 = 8,359.32/x
  3. Step 3: Cross multiply
    10,881.21x = 15,024.54 × 8,359.32
  4. Step 4: Simplify right side
    10,881.21x = 125,594,937.71
  5. Step 5: Solve for x
    x = 125,594,937.71/10,881.21
  6. Step 6: Final answer
    x = 11,542.37

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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.