Home / 10,487.42-14,472.09-5,770.79

Finding the Fourth Proportional to 10,487.42, 14,472.09 and 5,770.79

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Solution

The fourth proportional to 10,487.42, 14,472.09 and 5,770.79 is: 7,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.42 : 14,472.09 = 5,770.79 : x
  2. Step 2: Convert to fraction form
    10,487.42/14,472.09 = 5,770.79/x
  3. Step 3: Cross multiply
    10,487.42x = 14,472.09 × 5,770.79
  4. Step 4: Simplify right side
    10,487.42x = 83,515,392.25
  5. Step 5: Solve for x
    x = 83,515,392.25/10,487.42
  6. Step 6: Final answer
    x = 7,963.39

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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.