Home / 7,800.48-11,707.02-4,104.90

Finding the Fourth Proportional to 7,800.48, 11,707.02 and 4,104.90

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Solution

The fourth proportional to 7,800.48, 11,707.02 and 4,104.90 is: 6,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.48 : 11,707.02 = 4,104.90 : x
  2. Step 2: Convert to fraction form
    7,800.48/11,707.02 = 4,104.90/x
  3. Step 3: Cross multiply
    7,800.48x = 11,707.02 × 4,104.90
  4. Step 4: Simplify right side
    7,800.48x = 48,056,146.40
  5. Step 5: Solve for x
    x = 48,056,146.40/7,800.48
  6. Step 6: Final answer
    x = 6,160.67

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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.