Home / 7,867.27-10,860.54-5,038.75

Finding the Fourth Proportional to 7,867.27, 10,860.54 and 5,038.75

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Solution

The fourth proportional to 7,867.27, 10,860.54 and 5,038.75 is: 6,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.27 : 10,860.54 = 5,038.75 : x
  2. Step 2: Convert to fraction form
    7,867.27/10,860.54 = 5,038.75/x
  3. Step 3: Cross multiply
    7,867.27x = 10,860.54 × 5,038.75
  4. Step 4: Simplify right side
    7,867.27x = 54,723,545.93
  5. Step 5: Solve for x
    x = 54,723,545.93/7,867.27
  6. Step 6: Final answer
    x = 6,955.85

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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.