Home / 8,376.68-11,550.36-5,347.72

Finding the Fourth Proportional to 8,376.68, 11,550.36 and 5,347.72

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Solution

The fourth proportional to 8,376.68, 11,550.36 and 5,347.72 is: 7,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.68 : 11,550.36 = 5,347.72 : x
  2. Step 2: Convert to fraction form
    8,376.68/11,550.36 = 5,347.72/x
  3. Step 3: Cross multiply
    8,376.68x = 11,550.36 × 5,347.72
  4. Step 4: Simplify right side
    8,376.68x = 61,768,091.18
  5. Step 5: Solve for x
    x = 61,768,091.18/8,376.68
  6. Step 6: Final answer
    x = 7,373.82

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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.