Home / 9,618.40-14,358.07-8,896.96

Finding the Fourth Proportional to 9,618.40, 14,358.07 and 8,896.96

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Solution

The fourth proportional to 9,618.40, 14,358.07 and 8,896.96 is: 13,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.40 : 14,358.07 = 8,896.96 : x
  2. Step 2: Convert to fraction form
    9,618.40/14,358.07 = 8,896.96/x
  3. Step 3: Cross multiply
    9,618.40x = 14,358.07 × 8,896.96
  4. Step 4: Simplify right side
    9,618.40x = 127,743,174.47
  5. Step 5: Solve for x
    x = 127,743,174.47/9,618.40
  6. Step 6: Final answer
    x = 13,281.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.