Home / 11,937.51-16,471.89-6,632.15

Finding the Fourth Proportional to 11,937.51, 16,471.89 and 6,632.15

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Solution

The fourth proportional to 11,937.51, 16,471.89 and 6,632.15 is: 9,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.51 : 16,471.89 = 6,632.15 : x
  2. Step 2: Convert to fraction form
    11,937.51/16,471.89 = 6,632.15/x
  3. Step 3: Cross multiply
    11,937.51x = 16,471.89 × 6,632.15
  4. Step 4: Simplify right side
    11,937.51x = 109,243,962.90
  5. Step 5: Solve for x
    x = 109,243,962.90/11,937.51
  6. Step 6: Final answer
    x = 9,151.32

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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.