Home / 12,555.74-17,328.30-7,252.22

Finding the Fourth Proportional to 12,555.74, 17,328.30 and 7,252.22

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Solution

The fourth proportional to 12,555.74, 17,328.30 and 7,252.22 is: 10,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.74 : 17,328.30 = 7,252.22 : x
  2. Step 2: Convert to fraction form
    12,555.74/17,328.30 = 7,252.22/x
  3. Step 3: Cross multiply
    12,555.74x = 17,328.30 × 7,252.22
  4. Step 4: Simplify right side
    12,555.74x = 125,668,643.83
  5. Step 5: Solve for x
    x = 125,668,643.83/12,555.74
  6. Step 6: Final answer
    x = 10,008.86

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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.