Home / 7,340.24-10,128.84-5,946.32

Finding the Fourth Proportional to 7,340.24, 10,128.84 and 5,946.32

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Solution

The fourth proportional to 7,340.24, 10,128.84 and 5,946.32 is: 8,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.24 : 10,128.84 = 5,946.32 : x
  2. Step 2: Convert to fraction form
    7,340.24/10,128.84 = 5,946.32/x
  3. Step 3: Cross multiply
    7,340.24x = 10,128.84 × 5,946.32
  4. Step 4: Simplify right side
    7,340.24x = 60,229,323.87
  5. Step 5: Solve for x
    x = 60,229,323.87/7,340.24
  6. Step 6: Final answer
    x = 8,205.36

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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.