Home / 7,154.92-9,873.75-4,011.04

Finding the Fourth Proportional to 7,154.92, 9,873.75 and 4,011.04

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Solution

The fourth proportional to 7,154.92, 9,873.75 and 4,011.04 is: 5,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.92 : 9,873.75 = 4,011.04 : x
  2. Step 2: Convert to fraction form
    7,154.92/9,873.75 = 4,011.04/x
  3. Step 3: Cross multiply
    7,154.92x = 9,873.75 × 4,011.04
  4. Step 4: Simplify right side
    7,154.92x = 39,604,006.20
  5. Step 5: Solve for x
    x = 39,604,006.20/7,154.92
  6. Step 6: Final answer
    x = 5,535.21

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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.