Home / 11,188.51-15,440.20-6,153.06

Finding the Fourth Proportional to 11,188.51, 15,440.20 and 6,153.06

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Solution

The fourth proportional to 11,188.51, 15,440.20 and 6,153.06 is: 8,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.51 : 15,440.20 = 6,153.06 : x
  2. Step 2: Convert to fraction form
    11,188.51/15,440.20 = 6,153.06/x
  3. Step 3: Cross multiply
    11,188.51x = 15,440.20 × 6,153.06
  4. Step 4: Simplify right side
    11,188.51x = 95,004,477.01
  5. Step 5: Solve for x
    x = 95,004,477.01/11,188.51
  6. Step 6: Final answer
    x = 8,491.25

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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.