Home / 8,457.08-11,675.46-5,100.74

Finding the Fourth Proportional to 8,457.08, 11,675.46 and 5,100.74

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Solution

The fourth proportional to 8,457.08, 11,675.46 and 5,100.74 is: 7,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.08 : 11,675.46 = 5,100.74 : x
  2. Step 2: Convert to fraction form
    8,457.08/11,675.46 = 5,100.74/x
  3. Step 3: Cross multiply
    8,457.08x = 11,675.46 × 5,100.74
  4. Step 4: Simplify right side
    8,457.08x = 59,553,485.84
  5. Step 5: Solve for x
    x = 59,553,485.84/8,457.08
  6. Step 6: Final answer
    x = 7,041.85

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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.