Home / 7,386.31-11,087.39-4,102.17

Finding the Fourth Proportional to 7,386.31, 11,087.39 and 4,102.17

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Solution

The fourth proportional to 7,386.31, 11,087.39 and 4,102.17 is: 6,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.31 : 11,087.39 = 4,102.17 : x
  2. Step 2: Convert to fraction form
    7,386.31/11,087.39 = 4,102.17/x
  3. Step 3: Cross multiply
    7,386.31x = 11,087.39 × 4,102.17
  4. Step 4: Simplify right side
    7,386.31x = 45,482,358.64
  5. Step 5: Solve for x
    x = 45,482,358.64/7,386.31
  6. Step 6: Final answer
    x = 6,157.66

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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.