Home / 11,341.29-15,646.81-6,863.41

Finding the Fourth Proportional to 11,341.29, 15,646.81 and 6,863.41

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Solution

The fourth proportional to 11,341.29, 15,646.81 and 6,863.41 is: 9,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.29 : 15,646.81 = 6,863.41 : x
  2. Step 2: Convert to fraction form
    11,341.29/15,646.81 = 6,863.41/x
  3. Step 3: Cross multiply
    11,341.29x = 15,646.81 × 6,863.41
  4. Step 4: Simplify right side
    11,341.29x = 107,390,472.22
  5. Step 5: Solve for x
    x = 107,390,472.22/11,341.29
  6. Step 6: Final answer
    x = 9,468.98

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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.