Home / 7,554.15-10,416.33-5,164.51

Finding the Fourth Proportional to 7,554.15, 10,416.33 and 5,164.51

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Solution

The fourth proportional to 7,554.15, 10,416.33 and 5,164.51 is: 7,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.15 : 10,416.33 = 5,164.51 : x
  2. Step 2: Convert to fraction form
    7,554.15/10,416.33 = 5,164.51/x
  3. Step 3: Cross multiply
    7,554.15x = 10,416.33 × 5,164.51
  4. Step 4: Simplify right side
    7,554.15x = 53,795,240.67
  5. Step 5: Solve for x
    x = 53,795,240.67/7,554.15
  6. Step 6: Final answer
    x = 7,121.28

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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.