Home / 9,219.06-12,722.58-5,027.58

Finding the Fourth Proportional to 9,219.06, 12,722.58 and 5,027.58

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Solution

The fourth proportional to 9,219.06, 12,722.58 and 5,027.58 is: 6,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.06 : 12,722.58 = 5,027.58 : x
  2. Step 2: Convert to fraction form
    9,219.06/12,722.58 = 5,027.58/x
  3. Step 3: Cross multiply
    9,219.06x = 12,722.58 × 5,027.58
  4. Step 4: Simplify right side
    9,219.06x = 63,963,788.76
  5. Step 5: Solve for x
    x = 63,963,788.76/9,219.06
  6. Step 6: Final answer
    x = 6,938.21

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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.