Home / 10,417.95-15,629.40-3,398.01

Finding the Fourth Proportional to 10,417.95, 15,629.40 and 3,398.01

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Solution

The fourth proportional to 10,417.95, 15,629.40 and 3,398.01 is: 5,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.95 : 15,629.40 = 3,398.01 : x
  2. Step 2: Convert to fraction form
    10,417.95/15,629.40 = 3,398.01/x
  3. Step 3: Cross multiply
    10,417.95x = 15,629.40 × 3,398.01
  4. Step 4: Simplify right side
    10,417.95x = 53,108,857.49
  5. Step 5: Solve for x
    x = 53,108,857.49/10,417.95
  6. Step 6: Final answer
    x = 5,097.82

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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.