Home / 10,509.04-15,758.68-3,935.08

Finding the Fourth Proportional to 10,509.04, 15,758.68 and 3,935.08

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Solution

The fourth proportional to 10,509.04, 15,758.68 and 3,935.08 is: 5,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.04 : 15,758.68 = 3,935.08 : x
  2. Step 2: Convert to fraction form
    10,509.04/15,758.68 = 3,935.08/x
  3. Step 3: Cross multiply
    10,509.04x = 15,758.68 × 3,935.08
  4. Step 4: Simplify right side
    10,509.04x = 62,011,666.49
  5. Step 5: Solve for x
    x = 62,011,666.49/10,509.04
  6. Step 6: Final answer
    x = 5,900.79

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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.