Home / 6,271.15-8,643.67-5,008.16

Finding the Fourth Proportional to 6,271.15, 8,643.67 and 5,008.16

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Solution

The fourth proportional to 6,271.15, 8,643.67 and 5,008.16 is: 6,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.15 : 8,643.67 = 5,008.16 : x
  2. Step 2: Convert to fraction form
    6,271.15/8,643.67 = 5,008.16/x
  3. Step 3: Cross multiply
    6,271.15x = 8,643.67 × 5,008.16
  4. Step 4: Simplify right side
    6,271.15x = 43,288,882.35
  5. Step 5: Solve for x
    x = 43,288,882.35/6,271.15
  6. Step 6: Final answer
    x = 6,902.86

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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.