Home / 7,389,143.46-10,204,061.04-6,986,582.37

Finding the Fourth Proportional to 7,389,143.46, 10,204,061.04 and 6,986,582.37

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Solution

The fourth proportional to 7,389,143.46, 10,204,061.04 and 6,986,582.37 is: 9,648,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,143.46 : 10,204,061.04 = 6,986,582.37 : x
  2. Step 2: Convert to fraction form
    7,389,143.46/10,204,061.04 = 6,986,582.37/x
  3. Step 3: Cross multiply
    7,389,143.46x = 10,204,061.04 × 6,986,582.37
  4. Step 4: Simplify right side
    7,389,143.46x = 71,291,512,964,467.86
  5. Step 5: Solve for x
    x = 71,291,512,964,467.86/7,389,143.46
  6. Step 6: Final answer
    x = 9,648,143.03

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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.