Home / 6,138.23-8,475.75-5,004.08

Finding the Fourth Proportional to 6,138.23, 8,475.75 and 5,004.08

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Solution

The fourth proportional to 6,138.23, 8,475.75 and 5,004.08 is: 6,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.23 : 8,475.75 = 5,004.08 : x
  2. Step 2: Convert to fraction form
    6,138.23/8,475.75 = 5,004.08/x
  3. Step 3: Cross multiply
    6,138.23x = 8,475.75 × 5,004.08
  4. Step 4: Simplify right side
    6,138.23x = 42,413,331.06
  5. Step 5: Solve for x
    x = 42,413,331.06/6,138.23
  6. Step 6: Final answer
    x = 6,909.70

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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.