Home / 8,890.12-12,268.42-4,856.84

Finding the Fourth Proportional to 8,890.12, 12,268.42 and 4,856.84

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Solution

The fourth proportional to 8,890.12, 12,268.42 and 4,856.84 is: 6,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.12 : 12,268.42 = 4,856.84 : x
  2. Step 2: Convert to fraction form
    8,890.12/12,268.42 = 4,856.84/x
  3. Step 3: Cross multiply
    8,890.12x = 12,268.42 × 4,856.84
  4. Step 4: Simplify right side
    8,890.12x = 59,585,752.99
  5. Step 5: Solve for x
    x = 59,585,752.99/8,890.12
  6. Step 6: Final answer
    x = 6,702.47

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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.