Home / 8,458.56-11,671.65-5,055.55

Finding the Fourth Proportional to 8,458.56, 11,671.65 and 5,055.55

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Solution

The fourth proportional to 8,458.56, 11,671.65 and 5,055.55 is: 6,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.56 : 11,671.65 = 5,055.55 : x
  2. Step 2: Convert to fraction form
    8,458.56/11,671.65 = 5,055.55/x
  3. Step 3: Cross multiply
    8,458.56x = 11,671.65 × 5,055.55
  4. Step 4: Simplify right side
    8,458.56x = 59,006,580.98
  5. Step 5: Solve for x
    x = 59,006,580.98/8,458.56
  6. Step 6: Final answer
    x = 6,975.96

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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.