Home / 8,957.18-13,435.08-3,690.84

Finding the Fourth Proportional to 8,957.18, 13,435.08 and 3,690.84

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Solution

The fourth proportional to 8,957.18, 13,435.08 and 3,690.84 is: 5,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.18 : 13,435.08 = 3,690.84 : x
  2. Step 2: Convert to fraction form
    8,957.18/13,435.08 = 3,690.84/x
  3. Step 3: Cross multiply
    8,957.18x = 13,435.08 × 3,690.84
  4. Step 4: Simplify right side
    8,957.18x = 49,586,767.21
  5. Step 5: Solve for x
    x = 49,586,767.21/8,957.18
  6. Step 6: Final answer
    x = 5,535.98

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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.