Home / 12,525.06-17,283.38-7,488.30

Finding the Fourth Proportional to 12,525.06, 17,283.38 and 7,488.30

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Solution

The fourth proportional to 12,525.06, 17,283.38 and 7,488.30 is: 10,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.06 : 17,283.38 = 7,488.30 : x
  2. Step 2: Convert to fraction form
    12,525.06/17,283.38 = 7,488.30/x
  3. Step 3: Cross multiply
    12,525.06x = 17,283.38 × 7,488.30
  4. Step 4: Simplify right side
    12,525.06x = 129,423,134.45
  5. Step 5: Solve for x
    x = 129,423,134.45/12,525.06
  6. Step 6: Final answer
    x = 10,333.13

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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.