Home / 8,317.40-11,475.06-5,334.84

Finding the Fourth Proportional to 8,317.40, 11,475.06 and 5,334.84

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Solution

The fourth proportional to 8,317.40, 11,475.06 and 5,334.84 is: 7,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.40 : 11,475.06 = 5,334.84 : x
  2. Step 2: Convert to fraction form
    8,317.40/11,475.06 = 5,334.84/x
  3. Step 3: Cross multiply
    8,317.40x = 11,475.06 × 5,334.84
  4. Step 4: Simplify right side
    8,317.40x = 61,217,609.09
  5. Step 5: Solve for x
    x = 61,217,609.09/8,317.40
  6. Step 6: Final answer
    x = 7,360.19

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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.