Home / 6,930.38-10,397.19-4,740.14

Finding the Fourth Proportional to 6,930.38, 10,397.19 and 4,740.14

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Solution

The fourth proportional to 6,930.38, 10,397.19 and 4,740.14 is: 7,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.38 : 10,397.19 = 4,740.14 : x
  2. Step 2: Convert to fraction form
    6,930.38/10,397.19 = 4,740.14/x
  3. Step 3: Cross multiply
    6,930.38x = 10,397.19 × 4,740.14
  4. Step 4: Simplify right side
    6,930.38x = 49,284,136.21
  5. Step 5: Solve for x
    x = 49,284,136.21/6,930.38
  6. Step 6: Final answer
    x = 7,111.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.