Home / 8,260.79-11,392.56-6,666.93

Finding the Fourth Proportional to 8,260.79, 11,392.56 and 6,666.93

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Solution

The fourth proportional to 8,260.79, 11,392.56 and 6,666.93 is: 9,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.79 : 11,392.56 = 6,666.93 : x
  2. Step 2: Convert to fraction form
    8,260.79/11,392.56 = 6,666.93/x
  3. Step 3: Cross multiply
    8,260.79x = 11,392.56 × 6,666.93
  4. Step 4: Simplify right side
    8,260.79x = 75,953,441.46
  5. Step 5: Solve for x
    x = 75,953,441.46/8,260.79
  6. Step 6: Final answer
    x = 9,194.46

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Half scale
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Double scale
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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.