Home / 10,911.06-15,056.67-6,195.30

Finding the Fourth Proportional to 10,911.06, 15,056.67 and 6,195.30

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Solution

The fourth proportional to 10,911.06, 15,056.67 and 6,195.30 is: 8,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.06 : 15,056.67 = 6,195.30 : x
  2. Step 2: Convert to fraction form
    10,911.06/15,056.67 = 6,195.30/x
  3. Step 3: Cross multiply
    10,911.06x = 15,056.67 × 6,195.30
  4. Step 4: Simplify right side
    10,911.06x = 93,280,587.65
  5. Step 5: Solve for x
    x = 93,280,587.65/10,911.06
  6. Step 6: Final answer
    x = 8,549.18

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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.