Home / 10,464.69-14,447.61-6,885.30

Finding the Fourth Proportional to 10,464.69, 14,447.61 and 6,885.30

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Solution

The fourth proportional to 10,464.69, 14,447.61 and 6,885.30 is: 9,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.69 : 14,447.61 = 6,885.30 : x
  2. Step 2: Convert to fraction form
    10,464.69/14,447.61 = 6,885.30/x
  3. Step 3: Cross multiply
    10,464.69x = 14,447.61 × 6,885.30
  4. Step 4: Simplify right side
    10,464.69x = 99,476,129.13
  5. Step 5: Solve for x
    x = 99,476,129.13/10,464.69
  6. Step 6: Final answer
    x = 9,505.88

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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.