Home / 11,457.34-17,169.81-4,876.90

Finding the Fourth Proportional to 11,457.34, 17,169.81 and 4,876.90

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Solution

The fourth proportional to 11,457.34, 17,169.81 and 4,876.90 is: 7,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.34 : 17,169.81 = 4,876.90 : x
  2. Step 2: Convert to fraction form
    11,457.34/17,169.81 = 4,876.90/x
  3. Step 3: Cross multiply
    11,457.34x = 17,169.81 × 4,876.90
  4. Step 4: Simplify right side
    11,457.34x = 83,735,446.39
  5. Step 5: Solve for x
    x = 83,735,446.39/11,457.34
  6. Step 6: Final answer
    x = 7,308.45

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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.