Home / 8,461.67-11,675.45-5,316.04

Finding the Fourth Proportional to 8,461.67, 11,675.45 and 5,316.04

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Solution

The fourth proportional to 8,461.67, 11,675.45 and 5,316.04 is: 7,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.67 : 11,675.45 = 5,316.04 : x
  2. Step 2: Convert to fraction form
    8,461.67/11,675.45 = 5,316.04/x
  3. Step 3: Cross multiply
    8,461.67x = 11,675.45 × 5,316.04
  4. Step 4: Simplify right side
    8,461.67x = 62,067,074.26
  5. Step 5: Solve for x
    x = 62,067,074.26/8,461.67
  6. Step 6: Final answer
    x = 7,335.09

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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.