Home / 7,260.09-10,015.23-4,743.67

Finding the Fourth Proportional to 7,260.09, 10,015.23 and 4,743.67

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Solution

The fourth proportional to 7,260.09, 10,015.23 and 4,743.67 is: 6,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.09 : 10,015.23 = 4,743.67 : x
  2. Step 2: Convert to fraction form
    7,260.09/10,015.23 = 4,743.67/x
  3. Step 3: Cross multiply
    7,260.09x = 10,015.23 × 4,743.67
  4. Step 4: Simplify right side
    7,260.09x = 47,508,989.58
  5. Step 5: Solve for x
    x = 47,508,989.58/7,260.09
  6. Step 6: Final answer
    x = 6,543.86

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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.