Home / 11,806.75-16,293.32-6,501.55

Finding the Fourth Proportional to 11,806.75, 16,293.32 and 6,501.55

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Solution

The fourth proportional to 11,806.75, 16,293.32 and 6,501.55 is: 8,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.75 : 16,293.32 = 6,501.55 : x
  2. Step 2: Convert to fraction form
    11,806.75/16,293.32 = 6,501.55/x
  3. Step 3: Cross multiply
    11,806.75x = 16,293.32 × 6,501.55
  4. Step 4: Simplify right side
    11,806.75x = 105,931,834.65
  5. Step 5: Solve for x
    x = 105,931,834.65/11,806.75
  6. Step 6: Final answer
    x = 8,972.14

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Double scale
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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.