Home / 7,885.19-10,870.24-6,203.69

Finding the Fourth Proportional to 7,885.19, 10,870.24 and 6,203.69

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Solution

The fourth proportional to 7,885.19, 10,870.24 and 6,203.69 is: 8,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.19 : 10,870.24 = 6,203.69 : x
  2. Step 2: Convert to fraction form
    7,885.19/10,870.24 = 6,203.69/x
  3. Step 3: Cross multiply
    7,885.19x = 10,870.24 × 6,203.69
  4. Step 4: Simplify right side
    7,885.19x = 67,435,513.82
  5. Step 5: Solve for x
    x = 67,435,513.82/7,885.19
  6. Step 6: Final answer
    x = 8,552.18

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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.