Home / 10,011.96-15,006.21-4,085.15

Finding the Fourth Proportional to 10,011.96, 15,006.21 and 4,085.15

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Solution

The fourth proportional to 10,011.96, 15,006.21 and 4,085.15 is: 6,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.96 : 15,006.21 = 4,085.15 : x
  2. Step 2: Convert to fraction form
    10,011.96/15,006.21 = 4,085.15/x
  3. Step 3: Cross multiply
    10,011.96x = 15,006.21 × 4,085.15
  4. Step 4: Simplify right side
    10,011.96x = 61,302,528.43
  5. Step 5: Solve for x
    x = 61,302,528.43/10,011.96
  6. Step 6: Final answer
    x = 6,122.93

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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.