Home / 10,854.71-16,271.02-4,935.80

Finding the Fourth Proportional to 10,854.71, 16,271.02 and 4,935.80

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Solution

The fourth proportional to 10,854.71, 16,271.02 and 4,935.80 is: 7,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.71 : 16,271.02 = 4,935.80 : x
  2. Step 2: Convert to fraction form
    10,854.71/16,271.02 = 4,935.80/x
  3. Step 3: Cross multiply
    10,854.71x = 16,271.02 × 4,935.80
  4. Step 4: Simplify right side
    10,854.71x = 80,310,533.48
  5. Step 5: Solve for x
    x = 80,310,533.48/10,854.71
  6. Step 6: Final answer
    x = 7,398.68

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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.