Home / 9,123.45-13,685.04-4,962.48

Finding the Fourth Proportional to 9,123.45, 13,685.04 and 4,962.48

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Solution

The fourth proportional to 9,123.45, 13,685.04 and 4,962.48 is: 7,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.45 : 13,685.04 = 4,962.48 : x
  2. Step 2: Convert to fraction form
    9,123.45/13,685.04 = 4,962.48/x
  3. Step 3: Cross multiply
    9,123.45x = 13,685.04 × 4,962.48
  4. Step 4: Simplify right side
    9,123.45x = 67,911,737.30
  5. Step 5: Solve for x
    x = 67,911,737.30/9,123.45
  6. Step 6: Final answer
    x = 7,443.65

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1.5x scale

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.