Home / 10,271.63-15,407.45-3,698.31

Finding the Fourth Proportional to 10,271.63, 15,407.45 and 3,698.31

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Solution

The fourth proportional to 10,271.63, 15,407.45 and 3,698.31 is: 5,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.63 : 15,407.45 = 3,698.31 : x
  2. Step 2: Convert to fraction form
    10,271.63/15,407.45 = 3,698.31/x
  3. Step 3: Cross multiply
    10,271.63x = 15,407.45 × 3,698.31
  4. Step 4: Simplify right side
    10,271.63x = 56,981,507.92
  5. Step 5: Solve for x
    x = 56,981,507.92/10,271.63
  6. Step 6: Final answer
    x = 5,547.47

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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.