Home / 7,257.76-10,008.80-4,873.12

Finding the Fourth Proportional to 7,257.76, 10,008.80 and 4,873.12

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Solution

The fourth proportional to 7,257.76, 10,008.80 and 4,873.12 is: 6,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.76 : 10,008.80 = 4,873.12 : x
  2. Step 2: Convert to fraction form
    7,257.76/10,008.80 = 4,873.12/x
  3. Step 3: Cross multiply
    7,257.76x = 10,008.80 × 4,873.12
  4. Step 4: Simplify right side
    7,257.76x = 48,774,083.46
  5. Step 5: Solve for x
    x = 48,774,083.46/7,257.76
  6. Step 6: Final answer
    x = 6,720.27

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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.