Home / 11,862.39-16,368.66-6,556.47

Finding the Fourth Proportional to 11,862.39, 16,368.66 and 6,556.47

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Solution

The fourth proportional to 11,862.39, 16,368.66 and 6,556.47 is: 9,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.39 : 16,368.66 = 6,556.47 : x
  2. Step 2: Convert to fraction form
    11,862.39/16,368.66 = 6,556.47/x
  3. Step 3: Cross multiply
    11,862.39x = 16,368.66 × 6,556.47
  4. Step 4: Simplify right side
    11,862.39x = 107,320,628.23
  5. Step 5: Solve for x
    x = 107,320,628.23/11,862.39
  6. Step 6: Final answer
    x = 9,047.13

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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.