Home / 8,858.48-12,224.32-5,079.01

Finding the Fourth Proportional to 8,858.48, 12,224.32 and 5,079.01

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Solution

The fourth proportional to 8,858.48, 12,224.32 and 5,079.01 is: 7,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.48 : 12,224.32 = 5,079.01 : x
  2. Step 2: Convert to fraction form
    8,858.48/12,224.32 = 5,079.01/x
  3. Step 3: Cross multiply
    8,858.48x = 12,224.32 × 5,079.01
  4. Step 4: Simplify right side
    8,858.48x = 62,087,400.26
  5. Step 5: Solve for x
    x = 62,087,400.26/8,858.48
  6. Step 6: Final answer
    x = 7,008.81

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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.