Home / 8,118.46-11,209.35-5,332.06

Finding the Fourth Proportional to 8,118.46, 11,209.35 and 5,332.06

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Solution

The fourth proportional to 8,118.46, 11,209.35 and 5,332.06 is: 7,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.46 : 11,209.35 = 5,332.06 : x
  2. Step 2: Convert to fraction form
    8,118.46/11,209.35 = 5,332.06/x
  3. Step 3: Cross multiply
    8,118.46x = 11,209.35 × 5,332.06
  4. Step 4: Simplify right side
    8,118.46x = 59,768,926.76
  5. Step 5: Solve for x
    x = 59,768,926.76/8,118.46
  6. Step 6: Final answer
    x = 7,362.10

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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.