Home / 9,426.16-13,009.44-5,449.60

Finding the Fourth Proportional to 9,426.16, 13,009.44 and 5,449.60

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Solution

The fourth proportional to 9,426.16, 13,009.44 and 5,449.60 is: 7,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.16 : 13,009.44 = 5,449.60 : x
  2. Step 2: Convert to fraction form
    9,426.16/13,009.44 = 5,449.60/x
  3. Step 3: Cross multiply
    9,426.16x = 13,009.44 × 5,449.60
  4. Step 4: Simplify right side
    9,426.16x = 70,896,244.22
  5. Step 5: Solve for x
    x = 70,896,244.22/9,426.16
  6. Step 6: Final answer
    x = 7,521.22

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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.