Home / 8,899.04-13,341.36-5,435.12

Finding the Fourth Proportional to 8,899.04, 13,341.36 and 5,435.12

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Solution

The fourth proportional to 8,899.04, 13,341.36 and 5,435.12 is: 8,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.04 : 13,341.36 = 5,435.12 : x
  2. Step 2: Convert to fraction form
    8,899.04/13,341.36 = 5,435.12/x
  3. Step 3: Cross multiply
    8,899.04x = 13,341.36 × 5,435.12
  4. Step 4: Simplify right side
    8,899.04x = 72,511,892.56
  5. Step 5: Solve for x
    x = 72,511,892.56/8,899.04
  6. Step 6: Final answer
    x = 8,148.28

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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.