Home / 11,397.45-17,088.08-5,160.45

Finding the Fourth Proportional to 11,397.45, 17,088.08 and 5,160.45

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Solution

The fourth proportional to 11,397.45, 17,088.08 and 5,160.45 is: 7,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.45 : 17,088.08 = 5,160.45 : x
  2. Step 2: Convert to fraction form
    11,397.45/17,088.08 = 5,160.45/x
  3. Step 3: Cross multiply
    11,397.45x = 17,088.08 × 5,160.45
  4. Step 4: Simplify right side
    11,397.45x = 88,182,156.63
  5. Step 5: Solve for x
    x = 88,182,156.63/11,397.45
  6. Step 6: Final answer
    x = 7,737.01

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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.