Home / 11,119.73-15,345.59-6,339.58

Finding the Fourth Proportional to 11,119.73, 15,345.59 and 6,339.58

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Solution

The fourth proportional to 11,119.73, 15,345.59 and 6,339.58 is: 8,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.73 : 15,345.59 = 6,339.58 : x
  2. Step 2: Convert to fraction form
    11,119.73/15,345.59 = 6,339.58/x
  3. Step 3: Cross multiply
    11,119.73x = 15,345.59 × 6,339.58
  4. Step 4: Simplify right side
    11,119.73x = 97,284,595.45
  5. Step 5: Solve for x
    x = 97,284,595.45/11,119.73
  6. Step 6: Final answer
    x = 8,748.83

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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.