Home / 8,521.18-11,758.76-4,935.50

Finding the Fourth Proportional to 8,521.18, 11,758.76 and 4,935.50

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Solution

The fourth proportional to 8,521.18, 11,758.76 and 4,935.50 is: 6,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.18 : 11,758.76 = 4,935.50 : x
  2. Step 2: Convert to fraction form
    8,521.18/11,758.76 = 4,935.50/x
  3. Step 3: Cross multiply
    8,521.18x = 11,758.76 × 4,935.50
  4. Step 4: Simplify right side
    8,521.18x = 58,035,359.98
  5. Step 5: Solve for x
    x = 58,035,359.98/8,521.18
  6. Step 6: Final answer
    x = 6,810.72

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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.