Home / 11,798.15-17,681.48-4,395.15

Finding the Fourth Proportional to 11,798.15, 17,681.48 and 4,395.15

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Solution

The fourth proportional to 11,798.15, 17,681.48 and 4,395.15 is: 6,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.15 : 17,681.48 = 4,395.15 : x
  2. Step 2: Convert to fraction form
    11,798.15/17,681.48 = 4,395.15/x
  3. Step 3: Cross multiply
    11,798.15x = 17,681.48 × 4,395.15
  4. Step 4: Simplify right side
    11,798.15x = 77,712,734.85
  5. Step 5: Solve for x
    x = 77,712,734.85/11,798.15
  6. Step 6: Final answer
    x = 6,586.86

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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.