Home / 10,899.40-16,316.70-6,514.60

Finding the Fourth Proportional to 10,899.40, 16,316.70 and 6,514.60

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Solution

The fourth proportional to 10,899.40, 16,316.70 and 6,514.60 is: 9,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.40 : 16,316.70 = 6,514.60 : x
  2. Step 2: Convert to fraction form
    10,899.40/16,316.70 = 6,514.60/x
  3. Step 3: Cross multiply
    10,899.40x = 16,316.70 × 6,514.60
  4. Step 4: Simplify right side
    10,899.40x = 106,296,773.82
  5. Step 5: Solve for x
    x = 106,296,773.82/10,899.40
  6. Step 6: Final answer
    x = 9,752.53

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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.