Home / 10,281.77-15,422.65-5,889.86

Finding the Fourth Proportional to 10,281.77, 15,422.65 and 5,889.86

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Solution

The fourth proportional to 10,281.77, 15,422.65 and 5,889.86 is: 8,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.77 : 15,422.65 = 5,889.86 : x
  2. Step 2: Convert to fraction form
    10,281.77/15,422.65 = 5,889.86/x
  3. Step 3: Cross multiply
    10,281.77x = 15,422.65 × 5,889.86
  4. Step 4: Simplify right side
    10,281.77x = 90,837,157.49
  5. Step 5: Solve for x
    x = 90,837,157.49/10,281.77
  6. Step 6: Final answer
    x = 8,834.78

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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.