Home / 10,004.08-13,805.40-5,527.60

Finding the Fourth Proportional to 10,004.08, 13,805.40 and 5,527.60

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Solution

The fourth proportional to 10,004.08, 13,805.40 and 5,527.60 is: 7,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.08 : 13,805.40 = 5,527.60 : x
  2. Step 2: Convert to fraction form
    10,004.08/13,805.40 = 5,527.60/x
  3. Step 3: Cross multiply
    10,004.08x = 13,805.40 × 5,527.60
  4. Step 4: Simplify right side
    10,004.08x = 76,310,729.04
  5. Step 5: Solve for x
    x = 76,310,729.04/10,004.08
  6. Step 6: Final answer
    x = 7,627.96

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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.