Home / 10,698.40-16,041.60-4,124.80

Finding the Fourth Proportional to 10,698.40, 16,041.60 and 4,124.80

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Solution

The fourth proportional to 10,698.40, 16,041.60 and 4,124.80 is: 6,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.40 : 16,041.60 = 4,124.80 : x
  2. Step 2: Convert to fraction form
    10,698.40/16,041.60 = 4,124.80/x
  3. Step 3: Cross multiply
    10,698.40x = 16,041.60 × 4,124.80
  4. Step 4: Simplify right side
    10,698.40x = 66,168,391.68
  5. Step 5: Solve for x
    x = 66,168,391.68/10,698.40
  6. Step 6: Final answer
    x = 6,184.89

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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.