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Finding the Fourth Proportional to 7,098.58, 9,795.50 and 4,114.82

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Solution

The fourth proportional to 7,098.58, 9,795.50 and 4,114.82 is: 5,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.58 : 9,795.50 = 4,114.82 : x
  2. Step 2: Convert to fraction form
    7,098.58/9,795.50 = 4,114.82/x
  3. Step 3: Cross multiply
    7,098.58x = 9,795.50 × 4,114.82
  4. Step 4: Simplify right side
    7,098.58x = 40,306,719.31
  5. Step 5: Solve for x
    x = 40,306,719.31/7,098.58
  6. Step 6: Final answer
    x = 5,678.14

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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.