Home / 6,930.74-9,566.70-5,517.02

Finding the Fourth Proportional to 6,930.74, 9,566.70 and 5,517.02

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Solution

The fourth proportional to 6,930.74, 9,566.70 and 5,517.02 is: 7,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.74 : 9,566.70 = 5,517.02 : x
  2. Step 2: Convert to fraction form
    6,930.74/9,566.70 = 5,517.02/x
  3. Step 3: Cross multiply
    6,930.74x = 9,566.70 × 5,517.02
  4. Step 4: Simplify right side
    6,930.74x = 52,779,675.23
  5. Step 5: Solve for x
    x = 52,779,675.23/6,930.74
  6. Step 6: Final answer
    x = 7,615.30

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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.