Home / 11,445.30-17,172.81-4,874.58

Finding the Fourth Proportional to 11,445.30, 17,172.81 and 4,874.58

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Solution

The fourth proportional to 11,445.30, 17,172.81 and 4,874.58 is: 7,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.30 : 17,172.81 = 4,874.58 : x
  2. Step 2: Convert to fraction form
    11,445.30/17,172.81 = 4,874.58/x
  3. Step 3: Cross multiply
    11,445.30x = 17,172.81 × 4,874.58
  4. Step 4: Simplify right side
    11,445.30x = 83,710,236.17
  5. Step 5: Solve for x
    x = 83,710,236.17/11,445.30
  6. Step 6: Final answer
    x = 7,313.94

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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.