Home / 9,332.13-12,874.59-5,555.45

Finding the Fourth Proportional to 9,332.13, 12,874.59 and 5,555.45

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Solution

The fourth proportional to 9,332.13, 12,874.59 and 5,555.45 is: 7,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.13 : 12,874.59 = 5,555.45 : x
  2. Step 2: Convert to fraction form
    9,332.13/12,874.59 = 5,555.45/x
  3. Step 3: Cross multiply
    9,332.13x = 12,874.59 × 5,555.45
  4. Step 4: Simplify right side
    9,332.13x = 71,524,076.64
  5. Step 5: Solve for x
    x = 71,524,076.64/9,332.13
  6. Step 6: Final answer
    x = 7,664.28

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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.