Home / 7,418.40-10,235.86-4,904.68

Finding the Fourth Proportional to 7,418.40, 10,235.86 and 4,904.68

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Solution

The fourth proportional to 7,418.40, 10,235.86 and 4,904.68 is: 6,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.40 : 10,235.86 = 4,904.68 : x
  2. Step 2: Convert to fraction form
    7,418.40/10,235.86 = 4,904.68/x
  3. Step 3: Cross multiply
    7,418.40x = 10,235.86 × 4,904.68
  4. Step 4: Simplify right side
    7,418.40x = 50,203,617.82
  5. Step 5: Solve for x
    x = 50,203,617.82/7,418.40
  6. Step 6: Final answer
    x = 6,767.45

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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.