Home / 10,801.28-14,875.97-9,308.66

Finding the Fourth Proportional to 10,801.28, 14,875.97 and 9,308.66

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Solution

The fourth proportional to 10,801.28, 14,875.97 and 9,308.66 is: 12,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.28 : 14,875.97 = 9,308.66 : x
  2. Step 2: Convert to fraction form
    10,801.28/14,875.97 = 9,308.66/x
  3. Step 3: Cross multiply
    10,801.28x = 14,875.97 × 9,308.66
  4. Step 4: Simplify right side
    10,801.28x = 138,475,225.98
  5. Step 5: Solve for x
    x = 138,475,225.98/10,801.28
  6. Step 6: Final answer
    x = 12,820.26

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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.