Home / 9,878.44-13,632.36-5,402.32

Finding the Fourth Proportional to 9,878.44, 13,632.36 and 5,402.32

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Solution

The fourth proportional to 9,878.44, 13,632.36 and 5,402.32 is: 7,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.44 : 13,632.36 = 5,402.32 : x
  2. Step 2: Convert to fraction form
    9,878.44/13,632.36 = 5,402.32/x
  3. Step 3: Cross multiply
    9,878.44x = 13,632.36 × 5,402.32
  4. Step 4: Simplify right side
    9,878.44x = 73,646,371.08
  5. Step 5: Solve for x
    x = 73,646,371.08/9,878.44
  6. Step 6: Final answer
    x = 7,455.26

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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.