Home / 8,995.60-12,415.62-5,458.96

Finding the Fourth Proportional to 8,995.60, 12,415.62 and 5,458.96

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Solution

The fourth proportional to 8,995.60, 12,415.62 and 5,458.96 is: 7,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.60 : 12,415.62 = 5,458.96 : x
  2. Step 2: Convert to fraction form
    8,995.60/12,415.62 = 5,458.96/x
  3. Step 3: Cross multiply
    8,995.60x = 12,415.62 × 5,458.96
  4. Step 4: Simplify right side
    8,995.60x = 67,776,372.96
  5. Step 5: Solve for x
    x = 67,776,372.96/8,995.60
  6. Step 6: Final answer
    x = 7,534.39

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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.