Home / 11,833.16-16,329.81-6,455.72

Finding the Fourth Proportional to 11,833.16, 16,329.81 and 6,455.72

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Solution

The fourth proportional to 11,833.16, 16,329.81 and 6,455.72 is: 8,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.16 : 16,329.81 = 6,455.72 : x
  2. Step 2: Convert to fraction form
    11,833.16/16,329.81 = 6,455.72/x
  3. Step 3: Cross multiply
    11,833.16x = 16,329.81 × 6,455.72
  4. Step 4: Simplify right side
    11,833.16x = 105,420,681.01
  5. Step 5: Solve for x
    x = 105,420,681.01/11,833.16
  6. Step 6: Final answer
    x = 8,908.92

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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.