Home / 7,607.49-11,397.52-7,150.02

Finding the Fourth Proportional to 7,607.49, 11,397.52 and 7,150.02

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Solution

The fourth proportional to 7,607.49, 11,397.52 and 7,150.02 is: 10,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.49 : 11,397.52 = 7,150.02 : x
  2. Step 2: Convert to fraction form
    7,607.49/11,397.52 = 7,150.02/x
  3. Step 3: Cross multiply
    7,607.49x = 11,397.52 × 7,150.02
  4. Step 4: Simplify right side
    7,607.49x = 81,492,495.95
  5. Step 5: Solve for x
    x = 81,492,495.95/7,607.49
  6. Step 6: Final answer
    x = 10,712.14

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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.