Home / 7,456.16-10,289.68-4,099.04

Finding the Fourth Proportional to 7,456.16, 10,289.68 and 4,099.04

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Solution

The fourth proportional to 7,456.16, 10,289.68 and 4,099.04 is: 5,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.16 : 10,289.68 = 4,099.04 : x
  2. Step 2: Convert to fraction form
    7,456.16/10,289.68 = 4,099.04/x
  3. Step 3: Cross multiply
    7,456.16x = 10,289.68 × 4,099.04
  4. Step 4: Simplify right side
    7,456.16x = 42,177,809.91
  5. Step 5: Solve for x
    x = 42,177,809.91/7,456.16
  6. Step 6: Final answer
    x = 5,656.77

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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.