Home / 10,278.51-15,424.59-4,037.76

Finding the Fourth Proportional to 10,278.51, 15,424.59 and 4,037.76

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Solution

The fourth proportional to 10,278.51, 15,424.59 and 4,037.76 is: 6,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.51 : 15,424.59 = 4,037.76 : x
  2. Step 2: Convert to fraction form
    10,278.51/15,424.59 = 4,037.76/x
  3. Step 3: Cross multiply
    10,278.51x = 15,424.59 × 4,037.76
  4. Step 4: Simplify right side
    10,278.51x = 62,280,807.66
  5. Step 5: Solve for x
    x = 62,280,807.66/10,278.51
  6. Step 6: Final answer
    x = 6,059.32

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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.