Home / 8,743.14-12,065.13-5,206.74

Finding the Fourth Proportional to 8,743.14, 12,065.13 and 5,206.74

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Solution

The fourth proportional to 8,743.14, 12,065.13 and 5,206.74 is: 7,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.14 : 12,065.13 = 5,206.74 : x
  2. Step 2: Convert to fraction form
    8,743.14/12,065.13 = 5,206.74/x
  3. Step 3: Cross multiply
    8,743.14x = 12,065.13 × 5,206.74
  4. Step 4: Simplify right side
    8,743.14x = 62,819,994.98
  5. Step 5: Solve for x
    x = 62,819,994.98/8,743.14
  6. Step 6: Final answer
    x = 7,185.06

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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.