Home / 6,856.55-9,462.24-4,206.63

Finding the Fourth Proportional to 6,856.55, 9,462.24 and 4,206.63

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Solution

The fourth proportional to 6,856.55, 9,462.24 and 4,206.63 is: 5,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.55 : 9,462.24 = 4,206.63 : x
  2. Step 2: Convert to fraction form
    6,856.55/9,462.24 = 4,206.63/x
  3. Step 3: Cross multiply
    6,856.55x = 9,462.24 × 4,206.63
  4. Step 4: Simplify right side
    6,856.55x = 39,804,142.65
  5. Step 5: Solve for x
    x = 39,804,142.65/6,856.55
  6. Step 6: Final answer
    x = 5,805.28

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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.