Home / 8,927.28-12,319.71-4,948.44

Finding the Fourth Proportional to 8,927.28, 12,319.71 and 4,948.44

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Solution

The fourth proportional to 8,927.28, 12,319.71 and 4,948.44 is: 6,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.28 : 12,319.71 = 4,948.44 : x
  2. Step 2: Convert to fraction form
    8,927.28/12,319.71 = 4,948.44/x
  3. Step 3: Cross multiply
    8,927.28x = 12,319.71 × 4,948.44
  4. Step 4: Simplify right side
    8,927.28x = 60,963,345.75
  5. Step 5: Solve for x
    x = 60,963,345.75/8,927.28
  6. Step 6: Final answer
    x = 6,828.88

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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.