Home / 10,188.17-15,284.46-3,168.05

Finding the Fourth Proportional to 10,188.17, 15,284.46 and 3,168.05

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Solution

The fourth proportional to 10,188.17, 15,284.46 and 3,168.05 is: 4,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.17 : 15,284.46 = 3,168.05 : x
  2. Step 2: Convert to fraction form
    10,188.17/15,284.46 = 3,168.05/x
  3. Step 3: Cross multiply
    10,188.17x = 15,284.46 × 3,168.05
  4. Step 4: Simplify right side
    10,188.17x = 48,421,971.71
  5. Step 5: Solve for x
    x = 48,421,971.71/10,188.17
  6. Step 6: Final answer
    x = 4,752.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.