Home / 10,526.84-15,784.46-4,285.25

Finding the Fourth Proportional to 10,526.84, 15,784.46 and 4,285.25

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Solution

The fourth proportional to 10,526.84, 15,784.46 and 4,285.25 is: 6,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.84 : 15,784.46 = 4,285.25 : x
  2. Step 2: Convert to fraction form
    10,526.84/15,784.46 = 4,285.25/x
  3. Step 3: Cross multiply
    10,526.84x = 15,784.46 × 4,285.25
  4. Step 4: Simplify right side
    10,526.84x = 67,640,335.79
  5. Step 5: Solve for x
    x = 67,640,335.79/10,526.84
  6. Step 6: Final answer
    x = 6,425.51

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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.