Home / 9,126.57-13,680.12-4,737.99

Finding the Fourth Proportional to 9,126.57, 13,680.12 and 4,737.99

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Solution

The fourth proportional to 9,126.57, 13,680.12 and 4,737.99 is: 7,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.57 : 13,680.12 = 4,737.99 : x
  2. Step 2: Convert to fraction form
    9,126.57/13,680.12 = 4,737.99/x
  3. Step 3: Cross multiply
    9,126.57x = 13,680.12 × 4,737.99
  4. Step 4: Simplify right side
    9,126.57x = 64,816,271.76
  5. Step 5: Solve for x
    x = 64,816,271.76/9,126.57
  6. Step 6: Final answer
    x = 7,101.93

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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.