Home / 11,360.88-17,031.28-4,430.52

Finding the Fourth Proportional to 11,360.88, 17,031.28 and 4,430.52

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Solution

The fourth proportional to 11,360.88, 17,031.28 and 4,430.52 is: 6,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.88 : 17,031.28 = 4,430.52 : x
  2. Step 2: Convert to fraction form
    11,360.88/17,031.28 = 4,430.52/x
  3. Step 3: Cross multiply
    11,360.88x = 17,031.28 × 4,430.52
  4. Step 4: Simplify right side
    11,360.88x = 75,457,426.67
  5. Step 5: Solve for x
    x = 75,457,426.67/11,360.88
  6. Step 6: Final answer
    x = 6,641.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.