Home / 10,858.40-16,276.48-4,281.92

Finding the Fourth Proportional to 10,858.40, 16,276.48 and 4,281.92

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Solution

The fourth proportional to 10,858.40, 16,276.48 and 4,281.92 is: 6,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.40 : 16,276.48 = 4,281.92 : x
  2. Step 2: Convert to fraction form
    10,858.40/16,276.48 = 4,281.92/x
  3. Step 3: Cross multiply
    10,858.40x = 16,276.48 × 4,281.92
  4. Step 4: Simplify right side
    10,858.40x = 69,694,585.24
  5. Step 5: Solve for x
    x = 69,694,585.24/10,858.40
  6. Step 6: Final answer
    x = 6,418.49

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1.5x scale

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.