Home / 10,521.71-15,784.47-3,024.91

Finding the Fourth Proportional to 10,521.71, 15,784.47 and 3,024.91

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Solution

The fourth proportional to 10,521.71, 15,784.47 and 3,024.91 is: 4,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.71 : 15,784.47 = 3,024.91 : x
  2. Step 2: Convert to fraction form
    10,521.71/15,784.47 = 3,024.91/x
  3. Step 3: Cross multiply
    10,521.71x = 15,784.47 × 3,024.91
  4. Step 4: Simplify right side
    10,521.71x = 47,746,620.88
  5. Step 5: Solve for x
    x = 47,746,620.88/10,521.71
  6. Step 6: Final answer
    x = 4,537.91

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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.