Home / 12,515.24-18,746.86-5,946.60

Finding the Fourth Proportional to 12,515.24, 18,746.86 and 5,946.60

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Solution

The fourth proportional to 12,515.24, 18,746.86 and 5,946.60 is: 8,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.24 : 18,746.86 = 5,946.60 : x
  2. Step 2: Convert to fraction form
    12,515.24/18,746.86 = 5,946.60/x
  3. Step 3: Cross multiply
    12,515.24x = 18,746.86 × 5,946.60
  4. Step 4: Simplify right side
    12,515.24x = 111,480,077.68
  5. Step 5: Solve for x
    x = 111,480,077.68/12,515.24
  6. Step 6: Final answer
    x = 8,907.55

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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.