Home / 9,875.36-14,787.12-6,937.76

Finding the Fourth Proportional to 9,875.36, 14,787.12 and 6,937.76

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Solution

The fourth proportional to 9,875.36, 14,787.12 and 6,937.76 is: 10,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.36 : 14,787.12 = 6,937.76 : x
  2. Step 2: Convert to fraction form
    9,875.36/14,787.12 = 6,937.76/x
  3. Step 3: Cross multiply
    9,875.36x = 14,787.12 × 6,937.76
  4. Step 4: Simplify right side
    9,875.36x = 102,589,489.65
  5. Step 5: Solve for x
    x = 102,589,489.65/9,875.36
  6. Step 6: Final answer
    x = 10,388.43

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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.