Home / 7,915.98-10,923.69-4,558.07

Finding the Fourth Proportional to 7,915.98, 10,923.69 and 4,558.07

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Solution

The fourth proportional to 7,915.98, 10,923.69 and 4,558.07 is: 6,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.98 : 10,923.69 = 4,558.07 : x
  2. Step 2: Convert to fraction form
    7,915.98/10,923.69 = 4,558.07/x
  3. Step 3: Cross multiply
    7,915.98x = 10,923.69 × 4,558.07
  4. Step 4: Simplify right side
    7,915.98x = 49,790,943.68
  5. Step 5: Solve for x
    x = 49,790,943.68/7,915.98
  6. Step 6: Final answer
    x = 6,289.93

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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.