Home / 10,806.15-14,916.18-6,331.33

Finding the Fourth Proportional to 10,806.15, 14,916.18 and 6,331.33

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Solution

The fourth proportional to 10,806.15, 14,916.18 and 6,331.33 is: 8,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.15 : 14,916.18 = 6,331.33 : x
  2. Step 2: Convert to fraction form
    10,806.15/14,916.18 = 6,331.33/x
  3. Step 3: Cross multiply
    10,806.15x = 14,916.18 × 6,331.33
  4. Step 4: Simplify right side
    10,806.15x = 94,439,257.92
  5. Step 5: Solve for x
    x = 94,439,257.92/10,806.15
  6. Step 6: Final answer
    x = 8,739.40

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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.