Home / 10,812.15-14,919.12-6,096.47

Finding the Fourth Proportional to 10,812.15, 14,919.12 and 6,096.47

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Solution

The fourth proportional to 10,812.15, 14,919.12 and 6,096.47 is: 8,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.15 : 14,919.12 = 6,096.47 : x
  2. Step 2: Convert to fraction form
    10,812.15/14,919.12 = 6,096.47/x
  3. Step 3: Cross multiply
    10,812.15x = 14,919.12 × 6,096.47
  4. Step 4: Simplify right side
    10,812.15x = 90,953,892.91
  5. Step 5: Solve for x
    x = 90,953,892.91/10,812.15
  6. Step 6: Final answer
    x = 8,412.19

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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.