Home / 10,518.54-15,769.96-6,357.60

Finding the Fourth Proportional to 10,518.54, 15,769.96 and 6,357.60

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Solution

The fourth proportional to 10,518.54, 15,769.96 and 6,357.60 is: 9,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.54 : 15,769.96 = 6,357.60 : x
  2. Step 2: Convert to fraction form
    10,518.54/15,769.96 = 6,357.60/x
  3. Step 3: Cross multiply
    10,518.54x = 15,769.96 × 6,357.60
  4. Step 4: Simplify right side
    10,518.54x = 100,259,097.70
  5. Step 5: Solve for x
    x = 100,259,097.70/10,518.54
  6. Step 6: Final answer
    x = 9,531.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.