Home / 8,955.16-12,357.60-4,976.04

Finding the Fourth Proportional to 8,955.16, 12,357.60 and 4,976.04

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Solution

The fourth proportional to 8,955.16, 12,357.60 and 4,976.04 is: 6,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.16 : 12,357.60 = 4,976.04 : x
  2. Step 2: Convert to fraction form
    8,955.16/12,357.60 = 4,976.04/x
  3. Step 3: Cross multiply
    8,955.16x = 12,357.60 × 4,976.04
  4. Step 4: Simplify right side
    8,955.16x = 61,491,911.90
  5. Step 5: Solve for x
    x = 61,491,911.90/8,955.16
  6. Step 6: Final answer
    x = 6,866.65

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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.