Home / 10,070.70-15,110.22-4,520.34

Finding the Fourth Proportional to 10,070.70, 15,110.22 and 4,520.34

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Solution

The fourth proportional to 10,070.70, 15,110.22 and 4,520.34 is: 6,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.70 : 15,110.22 = 4,520.34 : x
  2. Step 2: Convert to fraction form
    10,070.70/15,110.22 = 4,520.34/x
  3. Step 3: Cross multiply
    10,070.70x = 15,110.22 × 4,520.34
  4. Step 4: Simplify right side
    10,070.70x = 68,303,331.87
  5. Step 5: Solve for x
    x = 68,303,331.87/10,070.70
  6. Step 6: Final answer
    x = 6,782.38

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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.