Home / 7,578.72-10,459.20-4,926.48

Finding the Fourth Proportional to 7,578.72, 10,459.20 and 4,926.48

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Solution

The fourth proportional to 7,578.72, 10,459.20 and 4,926.48 is: 6,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.72 : 10,459.20 = 4,926.48 : x
  2. Step 2: Convert to fraction form
    7,578.72/10,459.20 = 4,926.48/x
  3. Step 3: Cross multiply
    7,578.72x = 10,459.20 × 4,926.48
  4. Step 4: Simplify right side
    7,578.72x = 51,527,039.62
  5. Step 5: Solve for x
    x = 51,527,039.62/7,578.72
  6. Step 6: Final answer
    x = 6,798.91

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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.