Home / 9,307.43-12,844.30-5,115.95

Finding the Fourth Proportional to 9,307.43, 12,844.30 and 5,115.95

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Solution

The fourth proportional to 9,307.43, 12,844.30 and 5,115.95 is: 7,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.43 : 12,844.30 = 5,115.95 : x
  2. Step 2: Convert to fraction form
    9,307.43/12,844.30 = 5,115.95/x
  3. Step 3: Cross multiply
    9,307.43x = 12,844.30 × 5,115.95
  4. Step 4: Simplify right side
    9,307.43x = 65,710,771.01
  5. Step 5: Solve for x
    x = 65,710,771.01/9,307.43
  6. Step 6: Final answer
    x = 7,060.03

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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.