Home / 10,529.99-15,804.53-5,603.77

Finding the Fourth Proportional to 10,529.99, 15,804.53 and 5,603.77

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Solution

The fourth proportional to 10,529.99, 15,804.53 and 5,603.77 is: 8,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.99 : 15,804.53 = 5,603.77 : x
  2. Step 2: Convert to fraction form
    10,529.99/15,804.53 = 5,603.77/x
  3. Step 3: Cross multiply
    10,529.99x = 15,804.53 × 5,603.77
  4. Step 4: Simplify right side
    10,529.99x = 88,564,951.08
  5. Step 5: Solve for x
    x = 88,564,951.08/10,529.99
  6. Step 6: Final answer
    x = 8,410.73

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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.