Home / 7,847.37-11,775.06-5,216.67

Finding the Fourth Proportional to 7,847.37, 11,775.06 and 5,216.67

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Solution

The fourth proportional to 7,847.37, 11,775.06 and 5,216.67 is: 7,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.37 : 11,775.06 = 5,216.67 : x
  2. Step 2: Convert to fraction form
    7,847.37/11,775.06 = 5,216.67/x
  3. Step 3: Cross multiply
    7,847.37x = 11,775.06 × 5,216.67
  4. Step 4: Simplify right side
    7,847.37x = 61,426,602.25
  5. Step 5: Solve for x
    x = 61,426,602.25/7,847.37
  6. Step 6: Final answer
    x = 7,827.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.