Home / 8,887.36-12,262.35-5,437.12

Finding the Fourth Proportional to 8,887.36, 12,262.35 and 5,437.12

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Solution

The fourth proportional to 8,887.36, 12,262.35 and 5,437.12 is: 7,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.36 : 12,262.35 = 5,437.12 : x
  2. Step 2: Convert to fraction form
    8,887.36/12,262.35 = 5,437.12/x
  3. Step 3: Cross multiply
    8,887.36x = 12,262.35 × 5,437.12
  4. Step 4: Simplify right side
    8,887.36x = 66,671,868.43
  5. Step 5: Solve for x
    x = 66,671,868.43/8,887.36
  6. Step 6: Final answer
    x = 7,501.88

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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.