Home / 10,346.63-15,524.51-3,421.13

Finding the Fourth Proportional to 10,346.63, 15,524.51 and 3,421.13

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Solution

The fourth proportional to 10,346.63, 15,524.51 and 3,421.13 is: 5,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.63 : 15,524.51 = 3,421.13 : x
  2. Step 2: Convert to fraction form
    10,346.63/15,524.51 = 3,421.13/x
  3. Step 3: Cross multiply
    10,346.63x = 15,524.51 × 3,421.13
  4. Step 4: Simplify right side
    10,346.63x = 53,111,272.17
  5. Step 5: Solve for x
    x = 53,111,272.17/10,346.63
  6. Step 6: Final answer
    x = 5,133.20

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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.