Home / 10,008.16-13,810.53-5,531.66

Finding the Fourth Proportional to 10,008.16, 13,810.53 and 5,531.66

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Solution

The fourth proportional to 10,008.16, 13,810.53 and 5,531.66 is: 7,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.16 : 13,810.53 = 5,531.66 : x
  2. Step 2: Convert to fraction form
    10,008.16/13,810.53 = 5,531.66/x
  3. Step 3: Cross multiply
    10,008.16x = 13,810.53 × 5,531.66
  4. Step 4: Simplify right side
    10,008.16x = 76,395,156.38
  5. Step 5: Solve for x
    x = 76,395,156.38/10,008.16
  6. Step 6: Final answer
    x = 7,633.29

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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.