Home / 9,700.55-13,386.40-5,930.03

Finding the Fourth Proportional to 9,700.55, 13,386.40 and 5,930.03

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Solution

The fourth proportional to 9,700.55, 13,386.40 and 5,930.03 is: 8,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700.55 : 13,386.40 = 5,930.03 : x
  2. Step 2: Convert to fraction form
    9,700.55/13,386.40 = 5,930.03/x
  3. Step 3: Cross multiply
    9,700.55x = 13,386.40 × 5,930.03
  4. Step 4: Simplify right side
    9,700.55x = 79,381,753.59
  5. Step 5: Solve for x
    x = 79,381,753.59/9,700.55
  6. Step 6: Final answer
    x = 8,183.22

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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.