Home / 10,622.59-14,660.99-6,149.07

Finding the Fourth Proportional to 10,622.59, 14,660.99 and 6,149.07

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Solution

The fourth proportional to 10,622.59, 14,660.99 and 6,149.07 is: 8,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.59 : 14,660.99 = 6,149.07 : x
  2. Step 2: Convert to fraction form
    10,622.59/14,660.99 = 6,149.07/x
  3. Step 3: Cross multiply
    10,622.59x = 14,660.99 × 6,149.07
  4. Step 4: Simplify right side
    10,622.59x = 90,151,453.78
  5. Step 5: Solve for x
    x = 90,151,453.78/10,622.59
  6. Step 6: Final answer
    x = 8,486.77

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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.