Home / 12,962.73-17,897.18-9,973.29

Finding the Fourth Proportional to 12,962.73, 17,897.18 and 9,973.29

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Solution

The fourth proportional to 12,962.73, 17,897.18 and 9,973.29 is: 13,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.73 : 17,897.18 = 9,973.29 : x
  2. Step 2: Convert to fraction form
    12,962.73/17,897.18 = 9,973.29/x
  3. Step 3: Cross multiply
    12,962.73x = 17,897.18 × 9,973.29
  4. Step 4: Simplify right side
    12,962.73x = 178,493,716.46
  5. Step 5: Solve for x
    x = 178,493,716.46/12,962.73
  6. Step 6: Final answer
    x = 13,769.76

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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.