Home / 8,904.22-12,287.58-4,925.20

Finding the Fourth Proportional to 8,904.22, 12,287.58 and 4,925.20

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Solution

The fourth proportional to 8,904.22, 12,287.58 and 4,925.20 is: 6,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.22 : 12,287.58 = 4,925.20 : x
  2. Step 2: Convert to fraction form
    8,904.22/12,287.58 = 4,925.20/x
  3. Step 3: Cross multiply
    8,904.22x = 12,287.58 × 4,925.20
  4. Step 4: Simplify right side
    8,904.22x = 60,518,789.02
  5. Step 5: Solve for x
    x = 60,518,789.02/8,904.22
  6. Step 6: Final answer
    x = 6,796.64

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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.