Home / 9,815.10-14,701.05-5,192.70

Finding the Fourth Proportional to 9,815.10, 14,701.05 and 5,192.70

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Solution

The fourth proportional to 9,815.10, 14,701.05 and 5,192.70 is: 7,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.10 : 14,701.05 = 5,192.70 : x
  2. Step 2: Convert to fraction form
    9,815.10/14,701.05 = 5,192.70/x
  3. Step 3: Cross multiply
    9,815.10x = 14,701.05 × 5,192.70
  4. Step 4: Simplify right side
    9,815.10x = 76,338,142.34
  5. Step 5: Solve for x
    x = 76,338,142.34/9,815.10
  6. Step 6: Final answer
    x = 7,777.62

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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.