Home / 11,088.84-15,300.32-6,372.21

Finding the Fourth Proportional to 11,088.84, 15,300.32 and 6,372.21

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Solution

The fourth proportional to 11,088.84, 15,300.32 and 6,372.21 is: 8,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.84 : 15,300.32 = 6,372.21 : x
  2. Step 2: Convert to fraction form
    11,088.84/15,300.32 = 6,372.21/x
  3. Step 3: Cross multiply
    11,088.84x = 15,300.32 × 6,372.21
  4. Step 4: Simplify right side
    11,088.84x = 97,496,820.25
  5. Step 5: Solve for x
    x = 97,496,820.25/11,088.84
  6. Step 6: Final answer
    x = 8,792.34

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Double scale
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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.