Home / 7,566.48-10,438.32-4,421.28

Finding the Fourth Proportional to 7,566.48, 10,438.32 and 4,421.28

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Solution

The fourth proportional to 7,566.48, 10,438.32 and 4,421.28 is: 6,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.48 : 10,438.32 = 4,421.28 : x
  2. Step 2: Convert to fraction form
    7,566.48/10,438.32 = 4,421.28/x
  3. Step 3: Cross multiply
    7,566.48x = 10,438.32 × 4,421.28
  4. Step 4: Simplify right side
    7,566.48x = 46,150,735.45
  5. Step 5: Solve for x
    x = 46,150,735.45/7,566.48
  6. Step 6: Final answer
    x = 6,099.37

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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.