Home / 10,347.24-15,516.61-4,106.40

Finding the Fourth Proportional to 10,347.24, 15,516.61 and 4,106.40

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Solution

The fourth proportional to 10,347.24, 15,516.61 and 4,106.40 is: 6,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.24 : 15,516.61 = 4,106.40 : x
  2. Step 2: Convert to fraction form
    10,347.24/15,516.61 = 4,106.40/x
  3. Step 3: Cross multiply
    10,347.24x = 15,516.61 × 4,106.40
  4. Step 4: Simplify right side
    10,347.24x = 63,717,361.95
  5. Step 5: Solve for x
    x = 63,717,361.95/10,347.24
  6. Step 6: Final answer
    x = 6,157.91

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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.