Home / 9,228.78-12,731.88-5,873.44

Finding the Fourth Proportional to 9,228.78, 12,731.88 and 5,873.44

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Solution

The fourth proportional to 9,228.78, 12,731.88 and 5,873.44 is: 8,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.78 : 12,731.88 = 5,873.44 : x
  2. Step 2: Convert to fraction form
    9,228.78/12,731.88 = 5,873.44/x
  3. Step 3: Cross multiply
    9,228.78x = 12,731.88 × 5,873.44
  4. Step 4: Simplify right side
    9,228.78x = 74,779,933.27
  5. Step 5: Solve for x
    x = 74,779,933.27/9,228.78
  6. Step 6: Final answer
    x = 8,102.91

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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.