Home / 10,438.79-15,657.48-4,893.37

Finding the Fourth Proportional to 10,438.79, 15,657.48 and 4,893.37

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Solution

The fourth proportional to 10,438.79, 15,657.48 and 4,893.37 is: 7,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.79 : 15,657.48 = 4,893.37 : x
  2. Step 2: Convert to fraction form
    10,438.79/15,657.48 = 4,893.37/x
  3. Step 3: Cross multiply
    10,438.79x = 15,657.48 × 4,893.37
  4. Step 4: Simplify right side
    10,438.79x = 76,617,842.91
  5. Step 5: Solve for x
    x = 76,617,842.91/10,438.79
  6. Step 6: Final answer
    x = 7,339.72

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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.