Home / 9,240.30-12,750.33-5,261.22

Finding the Fourth Proportional to 9,240.30, 12,750.33 and 5,261.22

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Solution

The fourth proportional to 9,240.30, 12,750.33 and 5,261.22 is: 7,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.30 : 12,750.33 = 5,261.22 : x
  2. Step 2: Convert to fraction form
    9,240.30/12,750.33 = 5,261.22/x
  3. Step 3: Cross multiply
    9,240.30x = 12,750.33 × 5,261.22
  4. Step 4: Simplify right side
    9,240.30x = 67,082,291.20
  5. Step 5: Solve for x
    x = 67,082,291.20/9,240.30
  6. Step 6: Final answer
    x = 7,259.75

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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.