Home / 11,752.62-16,220.05-6,715.68

Finding the Fourth Proportional to 11,752.62, 16,220.05 and 6,715.68

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Solution

The fourth proportional to 11,752.62, 16,220.05 and 6,715.68 is: 9,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.62 : 16,220.05 = 6,715.68 : x
  2. Step 2: Convert to fraction form
    11,752.62/16,220.05 = 6,715.68/x
  3. Step 3: Cross multiply
    11,752.62x = 16,220.05 × 6,715.68
  4. Step 4: Simplify right side
    11,752.62x = 108,928,631.81
  5. Step 5: Solve for x
    x = 108,928,631.81/11,752.62
  6. Step 6: Final answer
    x = 9,268.46

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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.