Home / 11,338.09-15,646.07-6,302.30

Finding the Fourth Proportional to 11,338.09, 15,646.07 and 6,302.30

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Solution

The fourth proportional to 11,338.09, 15,646.07 and 6,302.30 is: 8,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.09 : 15,646.07 = 6,302.30 : x
  2. Step 2: Convert to fraction form
    11,338.09/15,646.07 = 6,302.30/x
  3. Step 3: Cross multiply
    11,338.09x = 15,646.07 × 6,302.30
  4. Step 4: Simplify right side
    11,338.09x = 98,606,164.49
  5. Step 5: Solve for x
    x = 98,606,164.49/11,338.09
  6. Step 6: Final answer
    x = 8,696.90

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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.