Home / 12,718.90-17,552.65-7,053.27

Finding the Fourth Proportional to 12,718.90, 17,552.65 and 7,053.27

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Solution

The fourth proportional to 12,718.90, 17,552.65 and 7,053.27 is: 9,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.90 : 17,552.65 = 7,053.27 : x
  2. Step 2: Convert to fraction form
    12,718.90/17,552.65 = 7,053.27/x
  3. Step 3: Cross multiply
    12,718.90x = 17,552.65 × 7,053.27
  4. Step 4: Simplify right side
    12,718.90x = 123,803,456.64
  5. Step 5: Solve for x
    x = 123,803,456.64/12,718.90
  6. Step 6: Final answer
    x = 9,733.82

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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.