Home / 7,854.10-10,840.52-4,498.85

Finding the Fourth Proportional to 7,854.10, 10,840.52 and 4,498.85

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Solution

The fourth proportional to 7,854.10, 10,840.52 and 4,498.85 is: 6,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.10 : 10,840.52 = 4,498.85 : x
  2. Step 2: Convert to fraction form
    7,854.10/10,840.52 = 4,498.85/x
  3. Step 3: Cross multiply
    7,854.10x = 10,840.52 × 4,498.85
  4. Step 4: Simplify right side
    7,854.10x = 48,769,819.20
  5. Step 5: Solve for x
    x = 48,769,819.20/7,854.10
  6. Step 6: Final answer
    x = 6,209.47

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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.