Home / 9,153.87-12,632.45-4,962.12

Finding the Fourth Proportional to 9,153.87, 12,632.45 and 4,962.12

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Solution

The fourth proportional to 9,153.87, 12,632.45 and 4,962.12 is: 6,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.87 : 12,632.45 = 4,962.12 : x
  2. Step 2: Convert to fraction form
    9,153.87/12,632.45 = 4,962.12/x
  3. Step 3: Cross multiply
    9,153.87x = 12,632.45 × 4,962.12
  4. Step 4: Simplify right side
    9,153.87x = 62,683,707.98
  5. Step 5: Solve for x
    x = 62,683,707.98/9,153.87
  6. Step 6: Final answer
    x = 6,847.78

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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.