Home / 10,525.07-15,787.88-4,981.01

Finding the Fourth Proportional to 10,525.07, 15,787.88 and 4,981.01

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Solution

The fourth proportional to 10,525.07, 15,787.88 and 4,981.01 is: 7,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.07 : 15,787.88 = 4,981.01 : x
  2. Step 2: Convert to fraction form
    10,525.07/15,787.88 = 4,981.01/x
  3. Step 3: Cross multiply
    10,525.07x = 15,787.88 × 4,981.01
  4. Step 4: Simplify right side
    10,525.07x = 78,639,563.25
  5. Step 5: Solve for x
    x = 78,639,563.25/10,525.07
  6. Step 6: Final answer
    x = 7,471.64

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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.