Home / 10,407.52-14,346.48-9,220.96

Finding the Fourth Proportional to 10,407.52, 14,346.48 and 9,220.96

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Solution

The fourth proportional to 10,407.52, 14,346.48 and 9,220.96 is: 12,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.52 : 14,346.48 = 9,220.96 : x
  2. Step 2: Convert to fraction form
    10,407.52/14,346.48 = 9,220.96/x
  3. Step 3: Cross multiply
    10,407.52x = 14,346.48 × 9,220.96
  4. Step 4: Simplify right side
    10,407.52x = 132,288,318.22
  5. Step 5: Solve for x
    x = 132,288,318.22/10,407.52
  6. Step 6: Final answer
    x = 12,710.84

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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.