Home / 8,085.18-12,106.20-4,750.68

Finding the Fourth Proportional to 8,085.18, 12,106.20 and 4,750.68

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Solution

The fourth proportional to 8,085.18, 12,106.20 and 4,750.68 is: 7,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.18 : 12,106.20 = 4,750.68 : x
  2. Step 2: Convert to fraction form
    8,085.18/12,106.20 = 4,750.68/x
  3. Step 3: Cross multiply
    8,085.18x = 12,106.20 × 4,750.68
  4. Step 4: Simplify right side
    8,085.18x = 57,512,682.22
  5. Step 5: Solve for x
    x = 57,512,682.22/8,085.18
  6. Step 6: Final answer
    x = 7,113.35

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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.