Home / 12,331.48-17,013.72-7,296.28

Finding the Fourth Proportional to 12,331.48, 17,013.72 and 7,296.28

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Solution

The fourth proportional to 12,331.48, 17,013.72 and 7,296.28 is: 10,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.48 : 17,013.72 = 7,296.28 : x
  2. Step 2: Convert to fraction form
    12,331.48/17,013.72 = 7,296.28/x
  3. Step 3: Cross multiply
    12,331.48x = 17,013.72 × 7,296.28
  4. Step 4: Simplify right side
    12,331.48x = 124,136,864.96
  5. Step 5: Solve for x
    x = 124,136,864.96/12,331.48
  6. Step 6: Final answer
    x = 10,066.66

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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.