Home / 8,106.33-11,186.52-4,521.40

Finding the Fourth Proportional to 8,106.33, 11,186.52 and 4,521.40

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Solution

The fourth proportional to 8,106.33, 11,186.52 and 4,521.40 is: 6,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.33 : 11,186.52 = 4,521.40 : x
  2. Step 2: Convert to fraction form
    8,106.33/11,186.52 = 4,521.40/x
  3. Step 3: Cross multiply
    8,106.33x = 11,186.52 × 4,521.40
  4. Step 4: Simplify right side
    8,106.33x = 50,578,686.61
  5. Step 5: Solve for x
    x = 50,578,686.61/8,106.33
  6. Step 6: Final answer
    x = 6,239.40

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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.