Home / 12,522.58-17,278.31-7,485.95

Finding the Fourth Proportional to 12,522.58, 17,278.31 and 7,485.95

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Solution

The fourth proportional to 12,522.58, 17,278.31 and 7,485.95 is: 10,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.58 : 17,278.31 = 7,485.95 : x
  2. Step 2: Convert to fraction form
    12,522.58/17,278.31 = 7,485.95/x
  3. Step 3: Cross multiply
    12,522.58x = 17,278.31 × 7,485.95
  4. Step 4: Simplify right side
    12,522.58x = 129,344,626.66
  5. Step 5: Solve for x
    x = 129,344,626.66/12,522.58
  6. Step 6: Final answer
    x = 10,328.91

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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.