Home / 8,840.64-12,200.60-4,862.08

Finding the Fourth Proportional to 8,840.64, 12,200.60 and 4,862.08

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Solution

The fourth proportional to 8,840.64, 12,200.60 and 4,862.08 is: 6,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.64 : 12,200.60 = 4,862.08 : x
  2. Step 2: Convert to fraction form
    8,840.64/12,200.60 = 4,862.08/x
  3. Step 3: Cross multiply
    8,840.64x = 12,200.60 × 4,862.08
  4. Step 4: Simplify right side
    8,840.64x = 59,320,293.25
  5. Step 5: Solve for x
    x = 59,320,293.25/8,840.64
  6. Step 6: Final answer
    x = 6,709.95

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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.