Home / 9,508.86-13,122.87-5,317.14

Finding the Fourth Proportional to 9,508.86, 13,122.87 and 5,317.14

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Solution

The fourth proportional to 9,508.86, 13,122.87 and 5,317.14 is: 7,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.86 : 13,122.87 = 5,317.14 : x
  2. Step 2: Convert to fraction form
    9,508.86/13,122.87 = 5,317.14/x
  3. Step 3: Cross multiply
    9,508.86x = 13,122.87 × 5,317.14
  4. Step 4: Simplify right side
    9,508.86x = 69,776,136.99
  5. Step 5: Solve for x
    x = 69,776,136.99/9,508.86
  6. Step 6: Final answer
    x = 7,338.01

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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.