Home / 9,700.03-13,386.05-5,451.09

Finding the Fourth Proportional to 9,700.03, 13,386.05 and 5,451.09

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Solution

The fourth proportional to 9,700.03, 13,386.05 and 5,451.09 is: 7,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700.03 : 13,386.05 = 5,451.09 : x
  2. Step 2: Convert to fraction form
    9,700.03/13,386.05 = 5,451.09/x
  3. Step 3: Cross multiply
    9,700.03x = 13,386.05 × 5,451.09
  4. Step 4: Simplify right side
    9,700.03x = 72,968,469.11
  5. Step 5: Solve for x
    x = 72,968,469.11/9,700.03
  6. Step 6: Final answer
    x = 7,522.50

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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.