Home / 7,867.20-10,854.54-4,883.16

Finding the Fourth Proportional to 7,867.20, 10,854.54 and 4,883.16

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Solution

The fourth proportional to 7,867.20, 10,854.54 and 4,883.16 is: 6,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.20 : 10,854.54 = 4,883.16 : x
  2. Step 2: Convert to fraction form
    7,867.20/10,854.54 = 4,883.16/x
  3. Step 3: Cross multiply
    7,867.20x = 10,854.54 × 4,883.16
  4. Step 4: Simplify right side
    7,867.20x = 53,004,455.55
  5. Step 5: Solve for x
    x = 53,004,455.55/7,867.20
  6. Step 6: Final answer
    x = 6,737.40

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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.