Home / 9,331.49-12,876.21-5,748.45

Finding the Fourth Proportional to 9,331.49, 12,876.21 and 5,748.45

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Solution

The fourth proportional to 9,331.49, 12,876.21 and 5,748.45 is: 7,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.49 : 12,876.21 = 5,748.45 : x
  2. Step 2: Convert to fraction form
    9,331.49/12,876.21 = 5,748.45/x
  3. Step 3: Cross multiply
    9,331.49x = 12,876.21 × 5,748.45
  4. Step 4: Simplify right side
    9,331.49x = 74,018,249.37
  5. Step 5: Solve for x
    x = 74,018,249.37/9,331.49
  6. Step 6: Final answer
    x = 7,932.10

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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.