Home / 7,983.68-11,017.48-4,628.45

Finding the Fourth Proportional to 7,983.68, 11,017.48 and 4,628.45

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Solution

The fourth proportional to 7,983.68, 11,017.48 and 4,628.45 is: 6,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.68 : 11,017.48 = 4,628.45 : x
  2. Step 2: Convert to fraction form
    7,983.68/11,017.48 = 4,628.45/x
  3. Step 3: Cross multiply
    7,983.68x = 11,017.48 × 4,628.45
  4. Step 4: Simplify right side
    7,983.68x = 50,993,788.65
  5. Step 5: Solve for x
    x = 50,993,788.65/7,983.68
  6. Step 6: Final answer
    x = 6,387.25

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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.