Home / 9,040.85-12,475.28-5,263.40

Finding the Fourth Proportional to 9,040.85, 12,475.28 and 5,263.40

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Solution

The fourth proportional to 9,040.85, 12,475.28 and 5,263.40 is: 7,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.85 : 12,475.28 = 5,263.40 : x
  2. Step 2: Convert to fraction form
    9,040.85/12,475.28 = 5,263.40/x
  3. Step 3: Cross multiply
    9,040.85x = 12,475.28 × 5,263.40
  4. Step 4: Simplify right side
    9,040.85x = 65,662,393.62
  5. Step 5: Solve for x
    x = 65,662,393.62/9,040.85
  6. Step 6: Final answer
    x = 7,262.86

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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.