Home / 11,643.70-16,068.33-6,338.51

Finding the Fourth Proportional to 11,643.70, 16,068.33 and 6,338.51

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Solution

The fourth proportional to 11,643.70, 16,068.33 and 6,338.51 is: 8,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.70 : 16,068.33 = 6,338.51 : x
  2. Step 2: Convert to fraction form
    11,643.70/16,068.33 = 6,338.51/x
  3. Step 3: Cross multiply
    11,643.70x = 16,068.33 × 6,338.51
  4. Step 4: Simplify right side
    11,643.70x = 101,849,270.39
  5. Step 5: Solve for x
    x = 101,849,270.39/11,643.70
  6. Step 6: Final answer
    x = 8,747.16

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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.