Home / 7,335.96-10,122.60-4,148.72

Finding the Fourth Proportional to 7,335.96, 10,122.60 and 4,148.72

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Solution

The fourth proportional to 7,335.96, 10,122.60 and 4,148.72 is: 5,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.96 : 10,122.60 = 4,148.72 : x
  2. Step 2: Convert to fraction form
    7,335.96/10,122.60 = 4,148.72/x
  3. Step 3: Cross multiply
    7,335.96x = 10,122.60 × 4,148.72
  4. Step 4: Simplify right side
    7,335.96x = 41,995,833.07
  5. Step 5: Solve for x
    x = 41,995,833.07/7,335.96
  6. Step 6: Final answer
    x = 5,724.65

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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.