Home / 9,656.16-13,328.28-5,677.44

Finding the Fourth Proportional to 9,656.16, 13,328.28 and 5,677.44

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Solution

The fourth proportional to 9,656.16, 13,328.28 and 5,677.44 is: 7,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656.16 : 13,328.28 = 5,677.44 : x
  2. Step 2: Convert to fraction form
    9,656.16/13,328.28 = 5,677.44/x
  3. Step 3: Cross multiply
    9,656.16x = 13,328.28 × 5,677.44
  4. Step 4: Simplify right side
    9,656.16x = 75,670,510.00
  5. Step 5: Solve for x
    x = 75,670,510.00/9,656.16
  6. Step 6: Final answer
    x = 7,836.50

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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.