Home / 10,088.50-15,135.17-3,163.00

Finding the Fourth Proportional to 10,088.50, 15,135.17 and 3,163.00

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Solution

The fourth proportional to 10,088.50, 15,135.17 and 3,163.00 is: 4,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.50 : 15,135.17 = 3,163.00 : x
  2. Step 2: Convert to fraction form
    10,088.50/15,135.17 = 3,163.00/x
  3. Step 3: Cross multiply
    10,088.50x = 15,135.17 × 3,163.00
  4. Step 4: Simplify right side
    10,088.50x = 47,872,451.22
  5. Step 5: Solve for x
    x = 47,872,451.22/10,088.50
  6. Step 6: Final answer
    x = 4,745.25

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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.