Home / 9,915.24-14,869.00-4,981.44

Finding the Fourth Proportional to 9,915.24, 14,869.00 and 4,981.44

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Solution

The fourth proportional to 9,915.24, 14,869.00 and 4,981.44 is: 7,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.24 : 14,869.00 = 4,981.44 : x
  2. Step 2: Convert to fraction form
    9,915.24/14,869.00 = 4,981.44/x
  3. Step 3: Cross multiply
    9,915.24x = 14,869.00 × 4,981.44
  4. Step 4: Simplify right side
    9,915.24x = 74,069,006.45
  5. Step 5: Solve for x
    x = 74,069,006.45/9,915.24
  6. Step 6: Final answer
    x = 7,470.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.