Home / 10,018.52-15,017.19-3,775.83

Finding the Fourth Proportional to 10,018.52, 15,017.19 and 3,775.83

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Solution

The fourth proportional to 10,018.52, 15,017.19 and 3,775.83 is: 5,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.52 : 15,017.19 = 3,775.83 : x
  2. Step 2: Convert to fraction form
    10,018.52/15,017.19 = 3,775.83/x
  3. Step 3: Cross multiply
    10,018.52x = 15,017.19 × 3,775.83
  4. Step 4: Simplify right side
    10,018.52x = 56,702,337.64
  5. Step 5: Solve for x
    x = 56,702,337.64/10,018.52
  6. Step 6: Final answer
    x = 5,659.75

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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.