Home / 10,362.20-15,543.30-9,800.60

Finding the Fourth Proportional to 10,362.20, 15,543.30 and 9,800.60

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Solution

The fourth proportional to 10,362.20, 15,543.30 and 9,800.60 is: 14,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.20 : 15,543.30 = 9,800.60 : x
  2. Step 2: Convert to fraction form
    10,362.20/15,543.30 = 9,800.60/x
  3. Step 3: Cross multiply
    10,362.20x = 15,543.30 × 9,800.60
  4. Step 4: Simplify right side
    10,362.20x = 152,333,665.98
  5. Step 5: Solve for x
    x = 152,333,665.98/10,362.20
  6. Step 6: Final answer
    x = 14,700.90

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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.