Home / 9,438.04-13,025.18-5,661.37

Finding the Fourth Proportional to 9,438.04, 13,025.18 and 5,661.37

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Solution

The fourth proportional to 9,438.04, 13,025.18 and 5,661.37 is: 7,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.04 : 13,025.18 = 5,661.37 : x
  2. Step 2: Convert to fraction form
    9,438.04/13,025.18 = 5,661.37/x
  3. Step 3: Cross multiply
    9,438.04x = 13,025.18 × 5,661.37
  4. Step 4: Simplify right side
    9,438.04x = 73,740,341.18
  5. Step 5: Solve for x
    x = 73,740,341.18/9,438.04
  6. Step 6: Final answer
    x = 7,813.10

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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.