Home / 12,351.69-17,045.28-7,048.17

Finding the Fourth Proportional to 12,351.69, 17,045.28 and 7,048.17

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Solution

The fourth proportional to 12,351.69, 17,045.28 and 7,048.17 is: 9,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.69 : 17,045.28 = 7,048.17 : x
  2. Step 2: Convert to fraction form
    12,351.69/17,045.28 = 7,048.17/x
  3. Step 3: Cross multiply
    12,351.69x = 17,045.28 × 7,048.17
  4. Step 4: Simplify right side
    12,351.69x = 120,138,031.14
  5. Step 5: Solve for x
    x = 120,138,031.14/12,351.69
  6. Step 6: Final answer
    x = 9,726.44

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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.