Home / 10,851.16-16,265.80-4,274.80

Finding the Fourth Proportional to 10,851.16, 16,265.80 and 4,274.80

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Solution

The fourth proportional to 10,851.16, 16,265.80 and 4,274.80 is: 6,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.16 : 16,265.80 = 4,274.80 : x
  2. Step 2: Convert to fraction form
    10,851.16/16,265.80 = 4,274.80/x
  3. Step 3: Cross multiply
    10,851.16x = 16,265.80 × 4,274.80
  4. Step 4: Simplify right side
    10,851.16x = 69,533,041.84
  5. Step 5: Solve for x
    x = 69,533,041.84/10,851.16
  6. Step 6: Final answer
    x = 6,407.89

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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.