Home / 7,407.36-10,225.84-4,891.12

Finding the Fourth Proportional to 7,407.36, 10,225.84 and 4,891.12

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Solution

The fourth proportional to 7,407.36, 10,225.84 and 4,891.12 is: 6,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.36 : 10,225.84 = 4,891.12 : x
  2. Step 2: Convert to fraction form
    7,407.36/10,225.84 = 4,891.12/x
  3. Step 3: Cross multiply
    7,407.36x = 10,225.84 × 4,891.12
  4. Step 4: Simplify right side
    7,407.36x = 50,015,810.54
  5. Step 5: Solve for x
    x = 50,015,810.54/7,407.36
  6. Step 6: Final answer
    x = 6,752.18

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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.