Home / 12,041.86-16,633.64-9,243.81

Finding the Fourth Proportional to 12,041.86, 16,633.64 and 9,243.81

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Solution

The fourth proportional to 12,041.86, 16,633.64 and 9,243.81 is: 12,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.86 : 16,633.64 = 9,243.81 : x
  2. Step 2: Convert to fraction form
    12,041.86/16,633.64 = 9,243.81/x
  3. Step 3: Cross multiply
    12,041.86x = 16,633.64 × 9,243.81
  4. Step 4: Simplify right side
    12,041.86x = 153,758,171.11
  5. Step 5: Solve for x
    x = 153,758,171.11/12,041.86
  6. Step 6: Final answer
    x = 12,768.64

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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.