Home / 7,519.36-10,381.42-4,831.66

Finding the Fourth Proportional to 7,519.36, 10,381.42 and 4,831.66

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Solution

The fourth proportional to 7,519.36, 10,381.42 and 4,831.66 is: 6,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.36 : 10,381.42 = 4,831.66 : x
  2. Step 2: Convert to fraction form
    7,519.36/10,381.42 = 4,831.66/x
  3. Step 3: Cross multiply
    7,519.36x = 10,381.42 × 4,831.66
  4. Step 4: Simplify right side
    7,519.36x = 50,159,491.76
  5. Step 5: Solve for x
    x = 50,159,491.76/7,519.36
  6. Step 6: Final answer
    x = 6,670.72

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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.