Home / 11,295.62-15,587.74-6,259.83

Finding the Fourth Proportional to 11,295.62, 15,587.74 and 6,259.83

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Solution

The fourth proportional to 11,295.62, 15,587.74 and 6,259.83 is: 8,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.62 : 15,587.74 = 6,259.83 : x
  2. Step 2: Convert to fraction form
    11,295.62/15,587.74 = 6,259.83/x
  3. Step 3: Cross multiply
    11,295.62x = 15,587.74 × 6,259.83
  4. Step 4: Simplify right side
    11,295.62x = 97,576,639.54
  5. Step 5: Solve for x
    x = 97,576,639.54/11,295.62
  6. Step 6: Final answer
    x = 8,638.45

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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.