Home / 11,152.11-15,388.28-6,674.91

Finding the Fourth Proportional to 11,152.11, 15,388.28 and 6,674.91

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Solution

The fourth proportional to 11,152.11, 15,388.28 and 6,674.91 is: 9,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.11 : 15,388.28 = 6,674.91 : x
  2. Step 2: Convert to fraction form
    11,152.11/15,388.28 = 6,674.91/x
  3. Step 3: Cross multiply
    11,152.11x = 15,388.28 × 6,674.91
  4. Step 4: Simplify right side
    11,152.11x = 102,715,318.01
  5. Step 5: Solve for x
    x = 102,715,318.01/11,152.11
  6. Step 6: Final answer
    x = 9,210.40

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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.