Home / 9,995.63-15,002.52-5,319.54

Finding the Fourth Proportional to 9,995.63, 15,002.52 and 5,319.54

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Solution

The fourth proportional to 9,995.63, 15,002.52 and 5,319.54 is: 7,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.63 : 15,002.52 = 5,319.54 : x
  2. Step 2: Convert to fraction form
    9,995.63/15,002.52 = 5,319.54/x
  3. Step 3: Cross multiply
    9,995.63x = 15,002.52 × 5,319.54
  4. Step 4: Simplify right side
    9,995.63x = 79,806,505.24
  5. Step 5: Solve for x
    x = 79,806,505.24/9,995.63
  6. Step 6: Final answer
    x = 7,984.14

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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.