Home / 11,188.24-15,440.08-6,152.20

Finding the Fourth Proportional to 11,188.24, 15,440.08 and 6,152.20

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Solution

The fourth proportional to 11,188.24, 15,440.08 and 6,152.20 is: 8,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.24 : 15,440.08 = 6,152.20 : x
  2. Step 2: Convert to fraction form
    11,188.24/15,440.08 = 6,152.20/x
  3. Step 3: Cross multiply
    11,188.24x = 15,440.08 × 6,152.20
  4. Step 4: Simplify right side
    11,188.24x = 94,990,460.18
  5. Step 5: Solve for x
    x = 94,990,460.18/11,188.24
  6. Step 6: Final answer
    x = 8,490.21

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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.