Home / 10,821.08-14,935.86-6,632.84

Finding the Fourth Proportional to 10,821.08, 14,935.86 and 6,632.84

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Solution

The fourth proportional to 10,821.08, 14,935.86 and 6,632.84 is: 9,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.08 : 14,935.86 = 6,632.84 : x
  2. Step 2: Convert to fraction form
    10,821.08/14,935.86 = 6,632.84/x
  3. Step 3: Cross multiply
    10,821.08x = 14,935.86 × 6,632.84
  4. Step 4: Simplify right side
    10,821.08x = 99,067,169.64
  5. Step 5: Solve for x
    x = 99,067,169.64/10,821.08
  6. Step 6: Final answer
    x = 9,155.02

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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.