Home / 8,110.17-11,196.81-5,320.53

Finding the Fourth Proportional to 8,110.17, 11,196.81 and 5,320.53

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Solution

The fourth proportional to 8,110.17, 11,196.81 and 5,320.53 is: 7,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.17 : 11,196.81 = 5,320.53 : x
  2. Step 2: Convert to fraction form
    8,110.17/11,196.81 = 5,320.53/x
  3. Step 3: Cross multiply
    8,110.17x = 11,196.81 × 5,320.53
  4. Step 4: Simplify right side
    8,110.17x = 59,572,963.51
  5. Step 5: Solve for x
    x = 59,572,963.51/8,110.17
  6. Step 6: Final answer
    x = 7,345.46

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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.