Home / 8,462.26-11,681.18-5,317.84

Finding the Fourth Proportional to 8,462.26, 11,681.18 and 5,317.84

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Solution

The fourth proportional to 8,462.26, 11,681.18 and 5,317.84 is: 7,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.26 : 11,681.18 = 5,317.84 : x
  2. Step 2: Convert to fraction form
    8,462.26/11,681.18 = 5,317.84/x
  3. Step 3: Cross multiply
    8,462.26x = 11,681.18 × 5,317.84
  4. Step 4: Simplify right side
    8,462.26x = 62,118,619.66
  5. Step 5: Solve for x
    x = 62,118,619.66/8,462.26
  6. Step 6: Final answer
    x = 7,340.67

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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.