Home / 8,822.40-13,294.30-7,296.70

Finding the Fourth Proportional to 8,822.40, 13,294.30 and 7,296.70

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Solution

The fourth proportional to 8,822.40, 13,294.30 and 7,296.70 is: 10,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.40 : 13,294.30 = 7,296.70 : x
  2. Step 2: Convert to fraction form
    8,822.40/13,294.30 = 7,296.70/x
  3. Step 3: Cross multiply
    8,822.40x = 13,294.30 × 7,296.70
  4. Step 4: Simplify right side
    8,822.40x = 97,004,518.81
  5. Step 5: Solve for x
    x = 97,004,518.81/8,822.40
  6. Step 6: Final answer
    x = 10,995.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.