Home / 9,307.63-12,844.76-5,115.88

Finding the Fourth Proportional to 9,307.63, 12,844.76 and 5,115.88

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Solution

The fourth proportional to 9,307.63, 12,844.76 and 5,115.88 is: 7,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.63 : 12,844.76 = 5,115.88 : x
  2. Step 2: Convert to fraction form
    9,307.63/12,844.76 = 5,115.88/x
  3. Step 3: Cross multiply
    9,307.63x = 12,844.76 × 5,115.88
  4. Step 4: Simplify right side
    9,307.63x = 65,712,250.79
  5. Step 5: Solve for x
    x = 65,712,250.79/9,307.63
  6. Step 6: Final answer
    x = 7,060.04

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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.