Home / 7,922.20-10,931.82-4,564.35

Finding the Fourth Proportional to 7,922.20, 10,931.82 and 4,564.35

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Solution

The fourth proportional to 7,922.20, 10,931.82 and 4,564.35 is: 6,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.20 : 10,931.82 = 4,564.35 : x
  2. Step 2: Convert to fraction form
    7,922.20/10,931.82 = 4,564.35/x
  3. Step 3: Cross multiply
    7,922.20x = 10,931.82 × 4,564.35
  4. Step 4: Simplify right side
    7,922.20x = 49,896,652.62
  5. Step 5: Solve for x
    x = 49,896,652.62/7,922.20
  6. Step 6: Final answer
    x = 6,298.33

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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.