Home / 8,930.10-12,323.84-5,392.61

Finding the Fourth Proportional to 8,930.10, 12,323.84 and 5,392.61

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Solution

The fourth proportional to 8,930.10, 12,323.84 and 5,392.61 is: 7,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.10 : 12,323.84 = 5,392.61 : x
  2. Step 2: Convert to fraction form
    8,930.10/12,323.84 = 5,392.61/x
  3. Step 3: Cross multiply
    8,930.10x = 12,323.84 × 5,392.61
  4. Step 4: Simplify right side
    8,930.10x = 66,457,574.24
  5. Step 5: Solve for x
    x = 66,457,574.24/8,930.10
  6. Step 6: Final answer
    x = 7,441.97

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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.