Home / 8,772.33-12,106.06-5,237.60

Finding the Fourth Proportional to 8,772.33, 12,106.06 and 5,237.60

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Solution

The fourth proportional to 8,772.33, 12,106.06 and 5,237.60 is: 7,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.33 : 12,106.06 = 5,237.60 : x
  2. Step 2: Convert to fraction form
    8,772.33/12,106.06 = 5,237.60/x
  3. Step 3: Cross multiply
    8,772.33x = 12,106.06 × 5,237.60
  4. Step 4: Simplify right side
    8,772.33x = 63,406,626.23
  5. Step 5: Solve for x
    x = 63,406,626.23/8,772.33
  6. Step 6: Final answer
    x = 7,228.02

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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.