Home / 9,411.51-14,118.60-2,838.21

Finding the Fourth Proportional to 9,411.51, 14,118.60 and 2,838.21

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Solution

The fourth proportional to 9,411.51, 14,118.60 and 2,838.21 is: 4,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411.51 : 14,118.60 = 2,838.21 : x
  2. Step 2: Convert to fraction form
    9,411.51/14,118.60 = 2,838.21/x
  3. Step 3: Cross multiply
    9,411.51x = 14,118.60 × 2,838.21
  4. Step 4: Simplify right side
    9,411.51x = 40,071,551.71
  5. Step 5: Solve for x
    x = 40,071,551.71/9,411.51
  6. Step 6: Final answer
    x = 4,257.72

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1.5x scale

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.