Home / 10,101.47-15,158.68-4,904.51

Finding the Fourth Proportional to 10,101.47, 15,158.68 and 4,904.51

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Solution

The fourth proportional to 10,101.47, 15,158.68 and 4,904.51 is: 7,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.47 : 15,158.68 = 4,904.51 : x
  2. Step 2: Convert to fraction form
    10,101.47/15,158.68 = 4,904.51/x
  3. Step 3: Cross multiply
    10,101.47x = 15,158.68 × 4,904.51
  4. Step 4: Simplify right side
    10,101.47x = 74,345,809.59
  5. Step 5: Solve for x
    x = 74,345,809.59/10,101.47
  6. Step 6: Final answer
    x = 7,359.90

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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.