Home / 6,942.16-9,581.25-5,461.30

Finding the Fourth Proportional to 6,942.16, 9,581.25 and 5,461.30

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Solution

The fourth proportional to 6,942.16, 9,581.25 and 5,461.30 is: 7,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.16 : 9,581.25 = 5,461.30 : x
  2. Step 2: Convert to fraction form
    6,942.16/9,581.25 = 5,461.30/x
  3. Step 3: Cross multiply
    6,942.16x = 9,581.25 × 5,461.30
  4. Step 4: Simplify right side
    6,942.16x = 52,326,080.63
  5. Step 5: Solve for x
    x = 52,326,080.63/6,942.16
  6. Step 6: Final answer
    x = 7,537.44

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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.