Home / 8,513.04-12,776.31-3,586.08

Finding the Fourth Proportional to 8,513.04, 12,776.31 and 3,586.08

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Solution

The fourth proportional to 8,513.04, 12,776.31 and 3,586.08 is: 5,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.04 : 12,776.31 = 3,586.08 : x
  2. Step 2: Convert to fraction form
    8,513.04/12,776.31 = 3,586.08/x
  3. Step 3: Cross multiply
    8,513.04x = 12,776.31 × 3,586.08
  4. Step 4: Simplify right side
    8,513.04x = 45,816,869.76
  5. Step 5: Solve for x
    x = 45,816,869.76/8,513.04
  6. Step 6: Final answer
    x = 5,381.96

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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.