Home / 11,108.62-15,330.02-6,328.34

Finding the Fourth Proportional to 11,108.62, 15,330.02 and 6,328.34

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Solution

The fourth proportional to 11,108.62, 15,330.02 and 6,328.34 is: 8,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.62 : 15,330.02 = 6,328.34 : x
  2. Step 2: Convert to fraction form
    11,108.62/15,330.02 = 6,328.34/x
  3. Step 3: Cross multiply
    11,108.62x = 15,330.02 × 6,328.34
  4. Step 4: Simplify right side
    11,108.62x = 97,013,578.77
  5. Step 5: Solve for x
    x = 97,013,578.77/11,108.62
  6. Step 6: Final answer
    x = 8,733.18

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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.