Home / 9,579.30-13,219.77-5,600.34

Finding the Fourth Proportional to 9,579.30, 13,219.77 and 5,600.34

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Solution

The fourth proportional to 9,579.30, 13,219.77 and 5,600.34 is: 7,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.30 : 13,219.77 = 5,600.34 : x
  2. Step 2: Convert to fraction form
    9,579.30/13,219.77 = 5,600.34/x
  3. Step 3: Cross multiply
    9,579.30x = 13,219.77 × 5,600.34
  4. Step 4: Simplify right side
    9,579.30x = 74,035,227.72
  5. Step 5: Solve for x
    x = 74,035,227.72/9,579.30
  6. Step 6: Final answer
    x = 7,728.67

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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.