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Finding the Fourth Proportional to 8,507.00, 11,736.55 and 5,148.59

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Solution

The fourth proportional to 8,507.00, 11,736.55 and 5,148.59 is: 7,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.00 : 11,736.55 = 5,148.59 : x
  2. Step 2: Convert to fraction form
    8,507.00/11,736.55 = 5,148.59/x
  3. Step 3: Cross multiply
    8,507.00x = 11,736.55 × 5,148.59
  4. Step 4: Simplify right side
    8,507.00x = 60,426,719.74
  5. Step 5: Solve for x
    x = 60,426,719.74/8,507.00
  6. Step 6: Final answer
    x = 7,103.17

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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.