Home / 10,930.36-15,079.08-6,741.04

Finding the Fourth Proportional to 10,930.36, 15,079.08 and 6,741.04

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Solution

The fourth proportional to 10,930.36, 15,079.08 and 6,741.04 is: 9,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.36 : 15,079.08 = 6,741.04 : x
  2. Step 2: Convert to fraction form
    10,930.36/15,079.08 = 6,741.04/x
  3. Step 3: Cross multiply
    10,930.36x = 15,079.08 × 6,741.04
  4. Step 4: Simplify right side
    10,930.36x = 101,648,681.44
  5. Step 5: Solve for x
    x = 101,648,681.44/10,930.36
  6. Step 6: Final answer
    x = 9,299.66

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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.