Home / 11,278.59-16,923.18-5,038.02

Finding the Fourth Proportional to 11,278.59, 16,923.18 and 5,038.02

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Solution

The fourth proportional to 11,278.59, 16,923.18 and 5,038.02 is: 7,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.59 : 16,923.18 = 5,038.02 : x
  2. Step 2: Convert to fraction form
    11,278.59/16,923.18 = 5,038.02/x
  3. Step 3: Cross multiply
    11,278.59x = 16,923.18 × 5,038.02
  4. Step 4: Simplify right side
    11,278.59x = 85,259,319.30
  5. Step 5: Solve for x
    x = 85,259,319.30/11,278.59
  6. Step 6: Final answer
    x = 7,559.40

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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.