Home / 8,736.70-12,061.02-6,845.08

Finding the Fourth Proportional to 8,736.70, 12,061.02 and 6,845.08

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Solution

The fourth proportional to 8,736.70, 12,061.02 and 6,845.08 is: 9,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.70 : 12,061.02 = 6,845.08 : x
  2. Step 2: Convert to fraction form
    8,736.70/12,061.02 = 6,845.08/x
  3. Step 3: Cross multiply
    8,736.70x = 12,061.02 × 6,845.08
  4. Step 4: Simplify right side
    8,736.70x = 82,558,646.78
  5. Step 5: Solve for x
    x = 82,558,646.78/8,736.70
  6. Step 6: Final answer
    x = 9,449.64

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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.