Home / 8,866.50-12,235.68-5,283.93

Finding the Fourth Proportional to 8,866.50, 12,235.68 and 5,283.93

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Solution

The fourth proportional to 8,866.50, 12,235.68 and 5,283.93 is: 7,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.50 : 12,235.68 = 5,283.93 : x
  2. Step 2: Convert to fraction form
    8,866.50/12,235.68 = 5,283.93/x
  3. Step 3: Cross multiply
    8,866.50x = 12,235.68 × 5,283.93
  4. Step 4: Simplify right side
    8,866.50x = 64,652,476.62
  5. Step 5: Solve for x
    x = 64,652,476.62/8,866.50
  6. Step 6: Final answer
    x = 7,291.77

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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.