Home / 6,924.08-9,555.36-4,131.20

Finding the Fourth Proportional to 6,924.08, 9,555.36 and 4,131.20

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Solution

The fourth proportional to 6,924.08, 9,555.36 and 4,131.20 is: 5,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.08 : 9,555.36 = 4,131.20 : x
  2. Step 2: Convert to fraction form
    6,924.08/9,555.36 = 4,131.20/x
  3. Step 3: Cross multiply
    6,924.08x = 9,555.36 × 4,131.20
  4. Step 4: Simplify right side
    6,924.08x = 39,475,103.23
  5. Step 5: Solve for x
    x = 39,475,103.23/6,924.08
  6. Step 6: Final answer
    x = 5,701.13

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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.