Home / 10,599.35-15,899.37-5,331.49

Finding the Fourth Proportional to 10,599.35, 15,899.37 and 5,331.49

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Solution

The fourth proportional to 10,599.35, 15,899.37 and 5,331.49 is: 7,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.35 : 15,899.37 = 5,331.49 : x
  2. Step 2: Convert to fraction form
    10,599.35/15,899.37 = 5,331.49/x
  3. Step 3: Cross multiply
    10,599.35x = 15,899.37 × 5,331.49
  4. Step 4: Simplify right side
    10,599.35x = 84,767,279.08
  5. Step 5: Solve for x
    x = 84,767,279.08/10,599.35
  6. Step 6: Final answer
    x = 7,997.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.