Home / 10,827.85-14,940.28-6,111.22

Finding the Fourth Proportional to 10,827.85, 14,940.28 and 6,111.22

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Solution

The fourth proportional to 10,827.85, 14,940.28 and 6,111.22 is: 8,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.85 : 14,940.28 = 6,111.22 : x
  2. Step 2: Convert to fraction form
    10,827.85/14,940.28 = 6,111.22/x
  3. Step 3: Cross multiply
    10,827.85x = 14,940.28 × 6,111.22
  4. Step 4: Simplify right side
    10,827.85x = 91,303,337.94
  5. Step 5: Solve for x
    x = 91,303,337.94/10,827.85
  6. Step 6: Final answer
    x = 8,432.27

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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.