Home / 10,581.21-15,859.80-4,953.03

Finding the Fourth Proportional to 10,581.21, 15,859.80 and 4,953.03

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Solution

The fourth proportional to 10,581.21, 15,859.80 and 4,953.03 is: 7,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.21 : 15,859.80 = 4,953.03 : x
  2. Step 2: Convert to fraction form
    10,581.21/15,859.80 = 4,953.03/x
  3. Step 3: Cross multiply
    10,581.21x = 15,859.80 × 4,953.03
  4. Step 4: Simplify right side
    10,581.21x = 78,554,065.19
  5. Step 5: Solve for x
    x = 78,554,065.19/10,581.21
  6. Step 6: Final answer
    x = 7,423.92

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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.