Home / 10,913.68-15,060.88-5,945.68

Finding the Fourth Proportional to 10,913.68, 15,060.88 and 5,945.68

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Solution

The fourth proportional to 10,913.68, 15,060.88 and 5,945.68 is: 8,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.68 : 15,060.88 = 5,945.68 : x
  2. Step 2: Convert to fraction form
    10,913.68/15,060.88 = 5,945.68/x
  3. Step 3: Cross multiply
    10,913.68x = 15,060.88 × 5,945.68
  4. Step 4: Simplify right side
    10,913.68x = 89,547,173.00
  5. Step 5: Solve for x
    x = 89,547,173.00/10,913.68
  6. Step 6: Final answer
    x = 8,205.04

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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.