Home / 7,962.85-10,989.93-5,732.11

Finding the Fourth Proportional to 7,962.85, 10,989.93 and 5,732.11

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Solution

The fourth proportional to 7,962.85, 10,989.93 and 5,732.11 is: 7,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.85 : 10,989.93 = 5,732.11 : x
  2. Step 2: Convert to fraction form
    7,962.85/10,989.93 = 5,732.11/x
  3. Step 3: Cross multiply
    7,962.85x = 10,989.93 × 5,732.11
  4. Step 4: Simplify right side
    7,962.85x = 62,995,487.65
  5. Step 5: Solve for x
    x = 62,995,487.65/7,962.85
  6. Step 6: Final answer
    x = 7,911.17

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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.