Home / 8,445.60-11,653.86-5,087.52

Finding the Fourth Proportional to 8,445.60, 11,653.86 and 5,087.52

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Solution

The fourth proportional to 8,445.60, 11,653.86 and 5,087.52 is: 7,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.60 : 11,653.86 = 5,087.52 : x
  2. Step 2: Convert to fraction form
    8,445.60/11,653.86 = 5,087.52/x
  3. Step 3: Cross multiply
    8,445.60x = 11,653.86 × 5,087.52
  4. Step 4: Simplify right side
    8,445.60x = 59,289,245.83
  5. Step 5: Solve for x
    x = 59,289,245.83/8,445.60
  6. Step 6: Final answer
    x = 7,020.13

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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.