Home / 9,622.89-13,270.58-6,386.99

Finding the Fourth Proportional to 9,622.89, 13,270.58 and 6,386.99

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Solution

The fourth proportional to 9,622.89, 13,270.58 and 6,386.99 is: 8,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.89 : 13,270.58 = 6,386.99 : x
  2. Step 2: Convert to fraction form
    9,622.89/13,270.58 = 6,386.99/x
  3. Step 3: Cross multiply
    9,622.89x = 13,270.58 × 6,386.99
  4. Step 4: Simplify right side
    9,622.89x = 84,758,963.47
  5. Step 5: Solve for x
    x = 84,758,963.47/9,622.89
  6. Step 6: Final answer
    x = 8,808.06

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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.