Home / 11,255.24-15,542.24-7,013.60

Finding the Fourth Proportional to 11,255.24, 15,542.24 and 7,013.60

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Solution

The fourth proportional to 11,255.24, 15,542.24 and 7,013.60 is: 9,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.24 : 15,542.24 = 7,013.60 : x
  2. Step 2: Convert to fraction form
    11,255.24/15,542.24 = 7,013.60/x
  3. Step 3: Cross multiply
    11,255.24x = 15,542.24 × 7,013.60
  4. Step 4: Simplify right side
    11,255.24x = 109,007,054.46
  5. Step 5: Solve for x
    x = 109,007,054.46/11,255.24
  6. Step 6: Final answer
    x = 9,685.00

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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.