Home / 9,307.58-12,844.68-5,115.92

Finding the Fourth Proportional to 9,307.58, 12,844.68 and 5,115.92

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Solution

The fourth proportional to 9,307.58, 12,844.68 and 5,115.92 is: 7,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.58 : 12,844.68 = 5,115.92 : x
  2. Step 2: Convert to fraction form
    9,307.58/12,844.68 = 5,115.92/x
  3. Step 3: Cross multiply
    9,307.58x = 12,844.68 × 5,115.92
  4. Step 4: Simplify right side
    9,307.58x = 65,712,355.31
  5. Step 5: Solve for x
    x = 65,712,355.31/9,307.58
  6. Step 6: Final answer
    x = 7,060.09

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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.