Home / 11,225.84-15,490.95-6,190.11

Finding the Fourth Proportional to 11,225.84, 15,490.95 and 6,190.11

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Solution

The fourth proportional to 11,225.84, 15,490.95 and 6,190.11 is: 8,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.84 : 15,490.95 = 6,190.11 : x
  2. Step 2: Convert to fraction form
    11,225.84/15,490.95 = 6,190.11/x
  3. Step 3: Cross multiply
    11,225.84x = 15,490.95 × 6,190.11
  4. Step 4: Simplify right side
    11,225.84x = 95,890,684.50
  5. Step 5: Solve for x
    x = 95,890,684.50/11,225.84
  6. Step 6: Final answer
    x = 8,541.96

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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.