Home / 9,638.06-13,298.10-5,658.41

Finding the Fourth Proportional to 9,638.06, 13,298.10 and 5,658.41

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Solution

The fourth proportional to 9,638.06, 13,298.10 and 5,658.41 is: 7,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.06 : 13,298.10 = 5,658.41 : x
  2. Step 2: Convert to fraction form
    9,638.06/13,298.10 = 5,658.41/x
  3. Step 3: Cross multiply
    9,638.06x = 13,298.10 × 5,658.41
  4. Step 4: Simplify right side
    9,638.06x = 75,246,055.16
  5. Step 5: Solve for x
    x = 75,246,055.16/9,638.06
  6. Step 6: Final answer
    x = 7,807.18

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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.