Home / 7,864.48-10,853.22-4,327.92

Finding the Fourth Proportional to 7,864.48, 10,853.22 and 4,327.92

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Solution

The fourth proportional to 7,864.48, 10,853.22 and 4,327.92 is: 5,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.48 : 10,853.22 = 4,327.92 : x
  2. Step 2: Convert to fraction form
    7,864.48/10,853.22 = 4,327.92/x
  3. Step 3: Cross multiply
    7,864.48x = 10,853.22 × 4,327.92
  4. Step 4: Simplify right side
    7,864.48x = 46,971,867.90
  5. Step 5: Solve for x
    x = 46,971,867.90/7,864.48
  6. Step 6: Final answer
    x = 5,972.66

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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.