Home / 8,133.40-11,223.48-5,484.38

Finding the Fourth Proportional to 8,133.40, 11,223.48 and 5,484.38

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Solution

The fourth proportional to 8,133.40, 11,223.48 and 5,484.38 is: 7,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.40 : 11,223.48 = 5,484.38 : x
  2. Step 2: Convert to fraction form
    8,133.40/11,223.48 = 5,484.38/x
  3. Step 3: Cross multiply
    8,133.40x = 11,223.48 × 5,484.38
  4. Step 4: Simplify right side
    8,133.40x = 61,553,829.24
  5. Step 5: Solve for x
    x = 61,553,829.24/8,133.40
  6. Step 6: Final answer
    x = 7,568.03

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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.