Home / 8,457.73-11,677.41-5,272.30

Finding the Fourth Proportional to 8,457.73, 11,677.41 and 5,272.30

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Solution

The fourth proportional to 8,457.73, 11,677.41 and 5,272.30 is: 7,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.73 : 11,677.41 = 5,272.30 : x
  2. Step 2: Convert to fraction form
    8,457.73/11,677.41 = 5,272.30/x
  3. Step 3: Cross multiply
    8,457.73x = 11,677.41 × 5,272.30
  4. Step 4: Simplify right side
    8,457.73x = 61,566,808.74
  5. Step 5: Solve for x
    x = 61,566,808.74/8,457.73
  6. Step 6: Final answer
    x = 7,279.35

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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.