Home / 11,475.55-17,220.60-4,901.77

Finding the Fourth Proportional to 11,475.55, 17,220.60 and 4,901.77

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Solution

The fourth proportional to 11,475.55, 17,220.60 and 4,901.77 is: 7,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.55 : 17,220.60 = 4,901.77 : x
  2. Step 2: Convert to fraction form
    11,475.55/17,220.60 = 4,901.77/x
  3. Step 3: Cross multiply
    11,475.55x = 17,220.60 × 4,901.77
  4. Step 4: Simplify right side
    11,475.55x = 84,411,420.46
  5. Step 5: Solve for x
    x = 84,411,420.46/11,475.55
  6. Step 6: Final answer
    x = 7,355.76

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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.