Home / 9,975.13-13,765.77-5,499.04

Finding the Fourth Proportional to 9,975.13, 13,765.77 and 5,499.04

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Solution

The fourth proportional to 9,975.13, 13,765.77 and 5,499.04 is: 7,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.13 : 13,765.77 = 5,499.04 : x
  2. Step 2: Convert to fraction form
    9,975.13/13,765.77 = 5,499.04/x
  3. Step 3: Cross multiply
    9,975.13x = 13,765.77 × 5,499.04
  4. Step 4: Simplify right side
    9,975.13x = 75,698,557.69
  5. Step 5: Solve for x
    x = 75,698,557.69/9,975.13
  6. Step 6: Final answer
    x = 7,588.73

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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.