Home / 10,779.94-16,175.45-4,459.51

Finding the Fourth Proportional to 10,779.94, 16,175.45 and 4,459.51

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Solution

The fourth proportional to 10,779.94, 16,175.45 and 4,459.51 is: 6,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.94 : 16,175.45 = 4,459.51 : x
  2. Step 2: Convert to fraction form
    10,779.94/16,175.45 = 4,459.51/x
  3. Step 3: Cross multiply
    10,779.94x = 16,175.45 × 4,459.51
  4. Step 4: Simplify right side
    10,779.94x = 72,134,581.03
  5. Step 5: Solve for x
    x = 72,134,581.03/10,779.94
  6. Step 6: Final answer
    x = 6,691.56

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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.