Home / 7,518.51-10,368.81-4,863.15

Finding the Fourth Proportional to 7,518.51, 10,368.81 and 4,863.15

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Solution

The fourth proportional to 7,518.51, 10,368.81 and 4,863.15 is: 6,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.51 : 10,368.81 = 4,863.15 : x
  2. Step 2: Convert to fraction form
    7,518.51/10,368.81 = 4,863.15/x
  3. Step 3: Cross multiply
    7,518.51x = 10,368.81 × 4,863.15
  4. Step 4: Simplify right side
    7,518.51x = 50,425,078.35
  5. Step 5: Solve for x
    x = 50,425,078.35/7,518.51
  6. Step 6: Final answer
    x = 6,706.79

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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.