Home / 9,172.74-12,658.44-4,981.02

Finding the Fourth Proportional to 9,172.74, 12,658.44 and 4,981.02

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Solution

The fourth proportional to 9,172.74, 12,658.44 and 4,981.02 is: 6,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.74 : 12,658.44 = 4,981.02 : x
  2. Step 2: Convert to fraction form
    9,172.74/12,658.44 = 4,981.02/x
  3. Step 3: Cross multiply
    9,172.74x = 12,658.44 × 4,981.02
  4. Step 4: Simplify right side
    9,172.74x = 63,051,942.81
  5. Step 5: Solve for x
    x = 63,051,942.81/9,172.74
  6. Step 6: Final answer
    x = 6,873.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.