Home / 7,718.20-10,652.86-4,362.96

Finding the Fourth Proportional to 7,718.20, 10,652.86 and 4,362.96

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Solution

The fourth proportional to 7,718.20, 10,652.86 and 4,362.96 is: 6,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.20 : 10,652.86 = 4,362.96 : x
  2. Step 2: Convert to fraction form
    7,718.20/10,652.86 = 4,362.96/x
  3. Step 3: Cross multiply
    7,718.20x = 10,652.86 × 4,362.96
  4. Step 4: Simplify right side
    7,718.20x = 46,478,002.07
  5. Step 5: Solve for x
    x = 46,478,002.07/7,718.20
  6. Step 6: Final answer
    x = 6,021.87

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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.