Home / 7,237.47-9,989.67-4,254.26

Finding the Fourth Proportional to 7,237.47, 9,989.67 and 4,254.26

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Solution

The fourth proportional to 7,237.47, 9,989.67 and 4,254.26 is: 5,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.47 : 9,989.67 = 4,254.26 : x
  2. Step 2: Convert to fraction form
    7,237.47/9,989.67 = 4,254.26/x
  3. Step 3: Cross multiply
    7,237.47x = 9,989.67 × 4,254.26
  4. Step 4: Simplify right side
    7,237.47x = 42,498,582.27
  5. Step 5: Solve for x
    x = 42,498,582.27/7,237.47
  6. Step 6: Final answer
    x = 5,872.03

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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.