Home / 9,431.04-13,015.47-5,453.16

Finding the Fourth Proportional to 9,431.04, 13,015.47 and 5,453.16

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Solution

The fourth proportional to 9,431.04, 13,015.47 and 5,453.16 is: 7,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.04 : 13,015.47 = 5,453.16 : x
  2. Step 2: Convert to fraction form
    9,431.04/13,015.47 = 5,453.16/x
  3. Step 3: Cross multiply
    9,431.04x = 13,015.47 × 5,453.16
  4. Step 4: Simplify right side
    9,431.04x = 70,975,440.39
  5. Step 5: Solve for x
    x = 70,975,440.39/9,431.04
  6. Step 6: Final answer
    x = 7,525.73

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Double scale
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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.