Home / 9,780.92-14,671.38-3,541.76

Finding the Fourth Proportional to 9,780.92, 14,671.38 and 3,541.76

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Solution

The fourth proportional to 9,780.92, 14,671.38 and 3,541.76 is: 5,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.92 : 14,671.38 = 3,541.76 : x
  2. Step 2: Convert to fraction form
    9,780.92/14,671.38 = 3,541.76/x
  3. Step 3: Cross multiply
    9,780.92x = 14,671.38 × 3,541.76
  4. Step 4: Simplify right side
    9,780.92x = 51,962,506.83
  5. Step 5: Solve for x
    x = 51,962,506.83/9,780.92
  6. Step 6: Final answer
    x = 5,312.64

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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.