Home / 8,775.58-13,158.96-2,930.08

Finding the Fourth Proportional to 8,775.58, 13,158.96 and 2,930.08

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Solution

The fourth proportional to 8,775.58, 13,158.96 and 2,930.08 is: 4,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.58 : 13,158.96 = 2,930.08 : x
  2. Step 2: Convert to fraction form
    8,775.58/13,158.96 = 2,930.08/x
  3. Step 3: Cross multiply
    8,775.58x = 13,158.96 × 2,930.08
  4. Step 4: Simplify right side
    8,775.58x = 38,556,805.52
  5. Step 5: Solve for x
    x = 38,556,805.52/8,775.58
  6. Step 6: Final answer
    x = 4,393.65

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1.5x scale

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.