Home / 7,612.48-10,505.28-4,468.72

Finding the Fourth Proportional to 7,612.48, 10,505.28 and 4,468.72

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Solution

The fourth proportional to 7,612.48, 10,505.28 and 4,468.72 is: 6,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.48 : 10,505.28 = 4,468.72 : x
  2. Step 2: Convert to fraction form
    7,612.48/10,505.28 = 4,468.72/x
  3. Step 3: Cross multiply
    7,612.48x = 10,505.28 × 4,468.72
  4. Step 4: Simplify right side
    7,612.48x = 46,945,154.84
  5. Step 5: Solve for x
    x = 46,945,154.84/7,612.48
  6. Step 6: Final answer
    x = 6,166.87

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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.