Home / 8,835.60-12,194.31-5,700.90

Finding the Fourth Proportional to 8,835.60, 12,194.31 and 5,700.90

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Solution

The fourth proportional to 8,835.60, 12,194.31 and 5,700.90 is: 7,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.60 : 12,194.31 = 5,700.90 : x
  2. Step 2: Convert to fraction form
    8,835.60/12,194.31 = 5,700.90/x
  3. Step 3: Cross multiply
    8,835.60x = 12,194.31 × 5,700.90
  4. Step 4: Simplify right side
    8,835.60x = 69,518,541.88
  5. Step 5: Solve for x
    x = 69,518,541.88/8,835.60
  6. Step 6: Final answer
    x = 7,868.00

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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.