Home / 9,873.99-13,626.09-5,397.75

Finding the Fourth Proportional to 9,873.99, 13,626.09 and 5,397.75

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Solution

The fourth proportional to 9,873.99, 13,626.09 and 5,397.75 is: 7,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.99 : 13,626.09 = 5,397.75 : x
  2. Step 2: Convert to fraction form
    9,873.99/13,626.09 = 5,397.75/x
  3. Step 3: Cross multiply
    9,873.99x = 13,626.09 × 5,397.75
  4. Step 4: Simplify right side
    9,873.99x = 73,550,227.30
  5. Step 5: Solve for x
    x = 73,550,227.30/9,873.99
  6. Step 6: Final answer
    x = 7,448.89

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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.