Home / 9,140.23-13,709.40-3,592.81

Finding the Fourth Proportional to 9,140.23, 13,709.40 and 3,592.81

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Solution

The fourth proportional to 9,140.23, 13,709.40 and 3,592.81 is: 5,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.23 : 13,709.40 = 3,592.81 : x
  2. Step 2: Convert to fraction form
    9,140.23/13,709.40 = 3,592.81/x
  3. Step 3: Cross multiply
    9,140.23x = 13,709.40 × 3,592.81
  4. Step 4: Simplify right side
    9,140.23x = 49,255,269.41
  5. Step 5: Solve for x
    x = 49,255,269.41/9,140.23
  6. Step 6: Final answer
    x = 5,388.84

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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.