Home / 9,162.84-12,645.40-5,184.36

Finding the Fourth Proportional to 9,162.84, 12,645.40 and 5,184.36

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Solution

The fourth proportional to 9,162.84, 12,645.40 and 5,184.36 is: 7,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.84 : 12,645.40 = 5,184.36 : x
  2. Step 2: Convert to fraction form
    9,162.84/12,645.40 = 5,184.36/x
  3. Step 3: Cross multiply
    9,162.84x = 12,645.40 × 5,184.36
  4. Step 4: Simplify right side
    9,162.84x = 65,558,305.94
  5. Step 5: Solve for x
    x = 65,558,305.94/9,162.84
  6. Step 6: Final answer
    x = 7,154.80

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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.