Home / 7,787.49-10,746.54-4,250.76

Finding the Fourth Proportional to 7,787.49, 10,746.54 and 4,250.76

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Solution

The fourth proportional to 7,787.49, 10,746.54 and 4,250.76 is: 5,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.49 : 10,746.54 = 4,250.76 : x
  2. Step 2: Convert to fraction form
    7,787.49/10,746.54 = 4,250.76/x
  3. Step 3: Cross multiply
    7,787.49x = 10,746.54 × 4,250.76
  4. Step 4: Simplify right side
    7,787.49x = 45,680,962.37
  5. Step 5: Solve for x
    x = 45,680,962.37/7,787.49
  6. Step 6: Final answer
    x = 5,865.94

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Double scale
Find fourth proportional to 7,788.49, 10,747.92 and 4,251.76
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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.