Home / 7,060.14-9,742.67-3,916.30

Finding the Fourth Proportional to 7,060.14, 9,742.67 and 3,916.30

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Solution

The fourth proportional to 7,060.14, 9,742.67 and 3,916.30 is: 5,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.14 : 9,742.67 = 3,916.30 : x
  2. Step 2: Convert to fraction form
    7,060.14/9,742.67 = 3,916.30/x
  3. Step 3: Cross multiply
    7,060.14x = 9,742.67 × 3,916.30
  4. Step 4: Simplify right side
    7,060.14x = 38,155,218.52
  5. Step 5: Solve for x
    x = 38,155,218.52/7,060.14
  6. Step 6: Final answer
    x = 5,404.31

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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.