Home / 8,459.07-11,675.67-5,631.18

Finding the Fourth Proportional to 8,459.07, 11,675.67 and 5,631.18

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Solution

The fourth proportional to 8,459.07, 11,675.67 and 5,631.18 is: 7,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.07 : 11,675.67 = 5,631.18 : x
  2. Step 2: Convert to fraction form
    8,459.07/11,675.67 = 5,631.18/x
  3. Step 3: Cross multiply
    8,459.07x = 11,675.67 × 5,631.18
  4. Step 4: Simplify right side
    8,459.07x = 65,747,799.39
  5. Step 5: Solve for x
    x = 65,747,799.39/8,459.07
  6. Step 6: Final answer
    x = 7,772.46

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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.