Home / 7,999.05-11,038.26-4,461.55

Finding the Fourth Proportional to 7,999.05, 11,038.26 and 4,461.55

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Solution

The fourth proportional to 7,999.05, 11,038.26 and 4,461.55 is: 6,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.05 : 11,038.26 = 4,461.55 : x
  2. Step 2: Convert to fraction form
    7,999.05/11,038.26 = 4,461.55/x
  3. Step 3: Cross multiply
    7,999.05x = 11,038.26 × 4,461.55
  4. Step 4: Simplify right side
    7,999.05x = 49,247,748.90
  5. Step 5: Solve for x
    x = 49,247,748.90/7,999.05
  6. Step 6: Final answer
    x = 6,156.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.