Home / 7,582.40-10,456.20-6,844.04

Finding the Fourth Proportional to 7,582.40, 10,456.20 and 6,844.04

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Solution

The fourth proportional to 7,582.40, 10,456.20 and 6,844.04 is: 9,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.40 : 10,456.20 = 6,844.04 : x
  2. Step 2: Convert to fraction form
    7,582.40/10,456.20 = 6,844.04/x
  3. Step 3: Cross multiply
    7,582.40x = 10,456.20 × 6,844.04
  4. Step 4: Simplify right side
    7,582.40x = 71,562,651.05
  5. Step 5: Solve for x
    x = 71,562,651.05/7,582.40
  6. Step 6: Final answer
    x = 9,437.99

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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.