Home / 8,445.45-11,659.32-5,089.08

Finding the Fourth Proportional to 8,445.45, 11,659.32 and 5,089.08

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Solution

The fourth proportional to 8,445.45, 11,659.32 and 5,089.08 is: 7,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.45 : 11,659.32 = 5,089.08 : x
  2. Step 2: Convert to fraction form
    8,445.45/11,659.32 = 5,089.08/x
  3. Step 3: Cross multiply
    8,445.45x = 11,659.32 × 5,089.08
  4. Step 4: Simplify right side
    8,445.45x = 59,335,212.23
  5. Step 5: Solve for x
    x = 59,335,212.23/8,445.45
  6. Step 6: Final answer
    x = 7,025.70

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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.