Home / 10,787.04-14,886.18-6,809.94

Finding the Fourth Proportional to 10,787.04, 14,886.18 and 6,809.94

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Solution

The fourth proportional to 10,787.04, 14,886.18 and 6,809.94 is: 9,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.04 : 14,886.18 = 6,809.94 : x
  2. Step 2: Convert to fraction form
    10,787.04/14,886.18 = 6,809.94/x
  3. Step 3: Cross multiply
    10,787.04x = 14,886.18 × 6,809.94
  4. Step 4: Simplify right side
    10,787.04x = 101,373,992.63
  5. Step 5: Solve for x
    x = 101,373,992.63/10,787.04
  6. Step 6: Final answer
    x = 9,397.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.