Home / 8,437.49-11,628.31-5,599.85

Finding the Fourth Proportional to 8,437.49, 11,628.31 and 5,599.85

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Solution

The fourth proportional to 8,437.49, 11,628.31 and 5,599.85 is: 7,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.49 : 11,628.31 = 5,599.85 : x
  2. Step 2: Convert to fraction form
    8,437.49/11,628.31 = 5,599.85/x
  3. Step 3: Cross multiply
    8,437.49x = 11,628.31 × 5,599.85
  4. Step 4: Simplify right side
    8,437.49x = 65,116,763.75
  5. Step 5: Solve for x
    x = 65,116,763.75/8,437.49
  6. Step 6: Final answer
    x = 7,717.56

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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.