Home / 10,590.45-15,887.14-3,572.48

Finding the Fourth Proportional to 10,590.45, 15,887.14 and 3,572.48

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Solution

The fourth proportional to 10,590.45, 15,887.14 and 3,572.48 is: 5,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.45 : 15,887.14 = 3,572.48 : x
  2. Step 2: Convert to fraction form
    10,590.45/15,887.14 = 3,572.48/x
  3. Step 3: Cross multiply
    10,590.45x = 15,887.14 × 3,572.48
  4. Step 4: Simplify right side
    10,590.45x = 56,756,401.54
  5. Step 5: Solve for x
    x = 56,756,401.54/10,590.45
  6. Step 6: Final answer
    x = 5,359.21

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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.