Home / 10,522.13-15,783.89-3,501.86

Finding the Fourth Proportional to 10,522.13, 15,783.89 and 3,501.86

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Solution

The fourth proportional to 10,522.13, 15,783.89 and 3,501.86 is: 5,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.13 : 15,783.89 = 3,501.86 : x
  2. Step 2: Convert to fraction form
    10,522.13/15,783.89 = 3,501.86/x
  3. Step 3: Cross multiply
    10,522.13x = 15,783.89 × 3,501.86
  4. Step 4: Simplify right side
    10,522.13x = 55,272,930.85
  5. Step 5: Solve for x
    x = 55,272,930.85/10,522.13
  6. Step 6: Final answer
    x = 5,253.02

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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.