Home / 7,518.92-10,380.83-4,831.22

Finding the Fourth Proportional to 7,518.92, 10,380.83 and 4,831.22

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Solution

The fourth proportional to 7,518.92, 10,380.83 and 4,831.22 is: 6,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.92 : 10,380.83 = 4,831.22 : x
  2. Step 2: Convert to fraction form
    7,518.92/10,380.83 = 4,831.22/x
  3. Step 3: Cross multiply
    7,518.92x = 10,380.83 × 4,831.22
  4. Step 4: Simplify right side
    7,518.92x = 50,152,075.31
  5. Step 5: Solve for x
    x = 50,152,075.31/7,518.92
  6. Step 6: Final answer
    x = 6,670.12

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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.