Home / 12,325.17-17,008.41-7,021.70

Finding the Fourth Proportional to 12,325.17, 17,008.41 and 7,021.70

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Solution

The fourth proportional to 12,325.17, 17,008.41 and 7,021.70 is: 9,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.17 : 17,008.41 = 7,021.70 : x
  2. Step 2: Convert to fraction form
    12,325.17/17,008.41 = 7,021.70/x
  3. Step 3: Cross multiply
    12,325.17x = 17,008.41 × 7,021.70
  4. Step 4: Simplify right side
    12,325.17x = 119,427,952.50
  5. Step 5: Solve for x
    x = 119,427,952.50/12,325.17
  6. Step 6: Final answer
    x = 9,689.76

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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.