Home / 7,432.32-11,151.36-2,814.24

Finding the Fourth Proportional to 7,432.32, 11,151.36 and 2,814.24

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Solution

The fourth proportional to 7,432.32, 11,151.36 and 2,814.24 is: 4,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.32 : 11,151.36 = 2,814.24 : x
  2. Step 2: Convert to fraction form
    7,432.32/11,151.36 = 2,814.24/x
  3. Step 3: Cross multiply
    7,432.32x = 11,151.36 × 2,814.24
  4. Step 4: Simplify right side
    7,432.32x = 31,382,603.37
  5. Step 5: Solve for x
    x = 31,382,603.37/7,432.32
  6. Step 6: Final answer
    x = 4,222.45

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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.