Home / 12,330.72-17,017.68-7,296.56

Finding the Fourth Proportional to 12,330.72, 17,017.68 and 7,296.56

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Solution

The fourth proportional to 12,330.72, 17,017.68 and 7,296.56 is: 10,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.72 : 17,017.68 = 7,296.56 : x
  2. Step 2: Convert to fraction form
    12,330.72/17,017.68 = 7,296.56/x
  3. Step 3: Cross multiply
    12,330.72x = 17,017.68 × 7,296.56
  4. Step 4: Simplify right side
    12,330.72x = 124,170,523.18
  5. Step 5: Solve for x
    x = 124,170,523.18/12,330.72
  6. Step 6: Final answer
    x = 10,070.01

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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.