Home / 7,106.12-10,660.23-3,407.66

Finding the Fourth Proportional to 7,106.12, 10,660.23 and 3,407.66

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Solution

The fourth proportional to 7,106.12, 10,660.23 and 3,407.66 is: 5,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.12 : 10,660.23 = 3,407.66 : x
  2. Step 2: Convert to fraction form
    7,106.12/10,660.23 = 3,407.66/x
  3. Step 3: Cross multiply
    7,106.12x = 10,660.23 × 3,407.66
  4. Step 4: Simplify right side
    7,106.12x = 36,326,386.06
  5. Step 5: Solve for x
    x = 36,326,386.06/7,106.12
  6. Step 6: Final answer
    x = 5,111.99

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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.