Home / 11,459.37-15,814.71-6,424.50

Finding the Fourth Proportional to 11,459.37, 15,814.71 and 6,424.50

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Solution

The fourth proportional to 11,459.37, 15,814.71 and 6,424.50 is: 8,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.37 : 15,814.71 = 6,424.50 : x
  2. Step 2: Convert to fraction form
    11,459.37/15,814.71 = 6,424.50/x
  3. Step 3: Cross multiply
    11,459.37x = 15,814.71 × 6,424.50
  4. Step 4: Simplify right side
    11,459.37x = 101,601,604.40
  5. Step 5: Solve for x
    x = 101,601,604.40/11,459.37
  6. Step 6: Final answer
    x = 8,866.25

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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.