Home / 9,644.18-13,307.15-5,663.84

Finding the Fourth Proportional to 9,644.18, 13,307.15 and 5,663.84

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Solution

The fourth proportional to 9,644.18, 13,307.15 and 5,663.84 is: 7,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.18 : 13,307.15 = 5,663.84 : x
  2. Step 2: Convert to fraction form
    9,644.18/13,307.15 = 5,663.84/x
  3. Step 3: Cross multiply
    9,644.18x = 13,307.15 × 5,663.84
  4. Step 4: Simplify right side
    9,644.18x = 75,369,473.60
  5. Step 5: Solve for x
    x = 75,369,473.60/9,644.18
  6. Step 6: Final answer
    x = 7,815.03

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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.