Home / 6,746.04-10,118.70-1,815.60

Finding the Fourth Proportional to 6,746.04, 10,118.70 and 1,815.60

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Solution

The fourth proportional to 6,746.04, 10,118.70 and 1,815.60 is: 2,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.04 : 10,118.70 = 1,815.60 : x
  2. Step 2: Convert to fraction form
    6,746.04/10,118.70 = 1,815.60/x
  3. Step 3: Cross multiply
    6,746.04x = 10,118.70 × 1,815.60
  4. Step 4: Simplify right side
    6,746.04x = 18,371,511.72
  5. Step 5: Solve for x
    x = 18,371,511.72/6,746.04
  6. Step 6: Final answer
    x = 2,723.30

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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.