Home / 9,417.15-14,124.74-3,871.08

Finding the Fourth Proportional to 9,417.15, 14,124.74 and 3,871.08

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Solution

The fourth proportional to 9,417.15, 14,124.74 and 3,871.08 is: 5,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.15 : 14,124.74 = 3,871.08 : x
  2. Step 2: Convert to fraction form
    9,417.15/14,124.74 = 3,871.08/x
  3. Step 3: Cross multiply
    9,417.15x = 14,124.74 × 3,871.08
  4. Step 4: Simplify right side
    9,417.15x = 54,677,979.16
  5. Step 5: Solve for x
    x = 54,677,979.16/9,417.15
  6. Step 6: Final answer
    x = 5,806.21

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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.