Home / 10,309.01-15,451.57-4,750.68

Finding the Fourth Proportional to 10,309.01, 15,451.57 and 4,750.68

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Solution

The fourth proportional to 10,309.01, 15,451.57 and 4,750.68 is: 7,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.01 : 15,451.57 = 4,750.68 : x
  2. Step 2: Convert to fraction form
    10,309.01/15,451.57 = 4,750.68/x
  3. Step 3: Cross multiply
    10,309.01x = 15,451.57 × 4,750.68
  4. Step 4: Simplify right side
    10,309.01x = 73,405,440.81
  5. Step 5: Solve for x
    x = 73,405,440.81/10,309.01
  6. Step 6: Final answer
    x = 7,120.51

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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.