Home / 11,624.20-16,041.38-6,319

Finding the Fourth Proportional to 11,624.20, 16,041.38 and 6,319

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Solution

The fourth proportional to 11,624.20, 16,041.38 and 6,319 is: 8,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.20 : 16,041.38 = 6,319 : x
  2. Step 2: Convert to fraction form
    11,624.20/16,041.38 = 6,319/x
  3. Step 3: Cross multiply
    11,624.20x = 16,041.38 × 6,319
  4. Step 4: Simplify right side
    11,624.20x = 101,365,480.22
  5. Step 5: Solve for x
    x = 101,365,480.22/11,624.20
  6. Step 6: Final answer
    x = 8,720.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.