Home / 10,070.99-15,108.03-5,137.94

Finding the Fourth Proportional to 10,070.99, 15,108.03 and 5,137.94

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Solution

The fourth proportional to 10,070.99, 15,108.03 and 5,137.94 is: 7,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.99 : 15,108.03 = 5,137.94 : x
  2. Step 2: Convert to fraction form
    10,070.99/15,108.03 = 5,137.94/x
  3. Step 3: Cross multiply
    10,070.99x = 15,108.03 × 5,137.94
  4. Step 4: Simplify right side
    10,070.99x = 77,624,151.66
  5. Step 5: Solve for x
    x = 77,624,151.66/10,070.99
  6. Step 6: Final answer
    x = 7,707.70

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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.