Home / 7,575.99-10,456.12-4,388.74

Finding the Fourth Proportional to 7,575.99, 10,456.12 and 4,388.74

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Solution

The fourth proportional to 7,575.99, 10,456.12 and 4,388.74 is: 6,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.99 : 10,456.12 = 4,388.74 : x
  2. Step 2: Convert to fraction form
    7,575.99/10,456.12 = 4,388.74/x
  3. Step 3: Cross multiply
    7,575.99x = 10,456.12 × 4,388.74
  4. Step 4: Simplify right side
    7,575.99x = 45,889,192.09
  5. Step 5: Solve for x
    x = 45,889,192.09/7,575.99
  6. Step 6: Final answer
    x = 6,057.19

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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.