Home / 7,055.19-9,736.22-3,911.38

Finding the Fourth Proportional to 7,055.19, 9,736.22 and 3,911.38

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Solution

The fourth proportional to 7,055.19, 9,736.22 and 3,911.38 is: 5,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.19 : 9,736.22 = 3,911.38 : x
  2. Step 2: Convert to fraction form
    7,055.19/9,736.22 = 3,911.38/x
  3. Step 3: Cross multiply
    7,055.19x = 9,736.22 × 3,911.38
  4. Step 4: Simplify right side
    7,055.19x = 38,082,056.18
  5. Step 5: Solve for x
    x = 38,082,056.18/7,055.19
  6. Step 6: Final answer
    x = 5,397.74

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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.