Home / 8,605.43-11,875.44-5,248.05

Finding the Fourth Proportional to 8,605.43, 11,875.44 and 5,248.05

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Solution

The fourth proportional to 8,605.43, 11,875.44 and 5,248.05 is: 7,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.43 : 11,875.44 = 5,248.05 : x
  2. Step 2: Convert to fraction form
    8,605.43/11,875.44 = 5,248.05/x
  3. Step 3: Cross multiply
    8,605.43x = 11,875.44 × 5,248.05
  4. Step 4: Simplify right side
    8,605.43x = 62,322,902.89
  5. Step 5: Solve for x
    x = 62,322,902.89/8,605.43
  6. Step 6: Final answer
    x = 7,242.28

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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.