Home / 7,434.13-11,151.27-1,887.33

Finding the Fourth Proportional to 7,434.13, 11,151.27 and 1,887.33

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Solution

The fourth proportional to 7,434.13, 11,151.27 and 1,887.33 is: 2,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.13 : 11,151.27 = 1,887.33 : x
  2. Step 2: Convert to fraction form
    7,434.13/11,151.27 = 1,887.33/x
  3. Step 3: Cross multiply
    7,434.13x = 11,151.27 × 1,887.33
  4. Step 4: Simplify right side
    7,434.13x = 21,046,126.41
  5. Step 5: Solve for x
    x = 21,046,126.41/7,434.13
  6. Step 6: Final answer
    x = 2,831.01

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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.