Home / 10,446.28-14,416.38-6,666.42

Finding the Fourth Proportional to 10,446.28, 14,416.38 and 6,666.42

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Solution

The fourth proportional to 10,446.28, 14,416.38 and 6,666.42 is: 9,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.28 : 14,416.38 = 6,666.42 : x
  2. Step 2: Convert to fraction form
    10,446.28/14,416.38 = 6,666.42/x
  3. Step 3: Cross multiply
    10,446.28x = 14,416.38 × 6,666.42
  4. Step 4: Simplify right side
    10,446.28x = 96,105,643.96
  5. Step 5: Solve for x
    x = 96,105,643.96/10,446.28
  6. Step 6: Final answer
    x = 9,199.99

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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.