Home / 8,074.08-11,142.80-4,888.16

Finding the Fourth Proportional to 8,074.08, 11,142.80 and 4,888.16

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Solution

The fourth proportional to 8,074.08, 11,142.80 and 4,888.16 is: 6,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.08 : 11,142.80 = 4,888.16 : x
  2. Step 2: Convert to fraction form
    8,074.08/11,142.80 = 4,888.16/x
  3. Step 3: Cross multiply
    8,074.08x = 11,142.80 × 4,888.16
  4. Step 4: Simplify right side
    8,074.08x = 54,467,789.25
  5. Step 5: Solve for x
    x = 54,467,789.25/8,074.08
  6. Step 6: Final answer
    x = 6,746.01

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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.