Home / 9,225.81-12,731.24-5,192.55

Finding the Fourth Proportional to 9,225.81, 12,731.24 and 5,192.55

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Solution

The fourth proportional to 9,225.81, 12,731.24 and 5,192.55 is: 7,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.81 : 12,731.24 = 5,192.55 : x
  2. Step 2: Convert to fraction form
    9,225.81/12,731.24 = 5,192.55/x
  3. Step 3: Cross multiply
    9,225.81x = 12,731.24 × 5,192.55
  4. Step 4: Simplify right side
    9,225.81x = 66,107,600.26
  5. Step 5: Solve for x
    x = 66,107,600.26/9,225.81
  6. Step 6: Final answer
    x = 7,165.51

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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.