Home / 11,926.02-16,457.22-6,890.45

Finding the Fourth Proportional to 11,926.02, 16,457.22 and 6,890.45

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Solution

The fourth proportional to 11,926.02, 16,457.22 and 6,890.45 is: 9,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.02 : 16,457.22 = 6,890.45 : x
  2. Step 2: Convert to fraction form
    11,926.02/16,457.22 = 6,890.45/x
  3. Step 3: Cross multiply
    11,926.02x = 16,457.22 × 6,890.45
  4. Step 4: Simplify right side
    11,926.02x = 113,397,569.26
  5. Step 5: Solve for x
    x = 113,397,569.26/11,926.02
  6. Step 6: Final answer
    x = 9,508.42

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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.