Home / 10,984.80-16,477.28-4,059.20

Finding the Fourth Proportional to 10,984.80, 16,477.28 and 4,059.20

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Solution

The fourth proportional to 10,984.80, 16,477.28 and 4,059.20 is: 6,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.80 : 16,477.28 = 4,059.20 : x
  2. Step 2: Convert to fraction form
    10,984.80/16,477.28 = 4,059.20/x
  3. Step 3: Cross multiply
    10,984.80x = 16,477.28 × 4,059.20
  4. Step 4: Simplify right side
    10,984.80x = 66,884,574.98
  5. Step 5: Solve for x
    x = 66,884,574.98/10,984.80
  6. Step 6: Final answer
    x = 6,088.83

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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.