Home / 10,486.40-14,471.18-5,770.66

Finding the Fourth Proportional to 10,486.40, 14,471.18 and 5,770.66

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Solution

The fourth proportional to 10,486.40, 14,471.18 and 5,770.66 is: 7,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.40 : 14,471.18 = 5,770.66 : x
  2. Step 2: Convert to fraction form
    10,486.40/14,471.18 = 5,770.66/x
  3. Step 3: Cross multiply
    10,486.40x = 14,471.18 × 5,770.66
  4. Step 4: Simplify right side
    10,486.40x = 83,508,259.58
  5. Step 5: Solve for x
    x = 83,508,259.58/10,486.40
  6. Step 6: Final answer
    x = 7,963.48

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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.