Home / 10,025.99-15,038.66-4,764.78

Finding the Fourth Proportional to 10,025.99, 15,038.66 and 4,764.78

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Solution

The fourth proportional to 10,025.99, 15,038.66 and 4,764.78 is: 7,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.99 : 15,038.66 = 4,764.78 : x
  2. Step 2: Convert to fraction form
    10,025.99/15,038.66 = 4,764.78/x
  3. Step 3: Cross multiply
    10,025.99x = 15,038.66 × 4,764.78
  4. Step 4: Simplify right side
    10,025.99x = 71,655,906.39
  5. Step 5: Solve for x
    x = 71,655,906.39/10,025.99
  6. Step 6: Final answer
    x = 7,147.02

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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.