Home / 10,377.10-15,577.80-5,938.30

Finding the Fourth Proportional to 10,377.10, 15,577.80 and 5,938.30

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Solution

The fourth proportional to 10,377.10, 15,577.80 and 5,938.30 is: 8,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.10 : 15,577.80 = 5,938.30 : x
  2. Step 2: Convert to fraction form
    10,377.10/15,577.80 = 5,938.30/x
  3. Step 3: Cross multiply
    10,377.10x = 15,577.80 × 5,938.30
  4. Step 4: Simplify right side
    10,377.10x = 92,505,649.74
  5. Step 5: Solve for x
    x = 92,505,649.74/10,377.10
  6. Step 6: Final answer
    x = 8,914.40

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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.