Home / 12,585.06-17,368.29-7,549.49

Finding the Fourth Proportional to 12,585.06, 17,368.29 and 7,549.49

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Solution

The fourth proportional to 12,585.06, 17,368.29 and 7,549.49 is: 10,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.06 : 17,368.29 = 7,549.49 : x
  2. Step 2: Convert to fraction form
    12,585.06/17,368.29 = 7,549.49/x
  3. Step 3: Cross multiply
    12,585.06x = 17,368.29 × 7,549.49
  4. Step 4: Simplify right side
    12,585.06x = 131,121,731.67
  5. Step 5: Solve for x
    x = 131,121,731.67/12,585.06
  6. Step 6: Final answer
    x = 10,418.84

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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.