Home / 10,270.60-14,173.38-5,554.84

Finding the Fourth Proportional to 10,270.60, 14,173.38 and 5,554.84

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Solution

The fourth proportional to 10,270.60, 14,173.38 and 5,554.84 is: 7,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.60 : 14,173.38 = 5,554.84 : x
  2. Step 2: Convert to fraction form
    10,270.60/14,173.38 = 5,554.84/x
  3. Step 3: Cross multiply
    10,270.60x = 14,173.38 × 5,554.84
  4. Step 4: Simplify right side
    10,270.60x = 78,730,858.16
  5. Step 5: Solve for x
    x = 78,730,858.16/10,270.60
  6. Step 6: Final answer
    x = 7,665.65

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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.