Home / 9,824.16-13,557.20-5,408.16

Finding the Fourth Proportional to 9,824.16, 13,557.20 and 5,408.16

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Solution

The fourth proportional to 9,824.16, 13,557.20 and 5,408.16 is: 7,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824.16 : 13,557.20 = 5,408.16 : x
  2. Step 2: Convert to fraction form
    9,824.16/13,557.20 = 5,408.16/x
  3. Step 3: Cross multiply
    9,824.16x = 13,557.20 × 5,408.16
  4. Step 4: Simplify right side
    9,824.16x = 73,319,506.75
  5. Step 5: Solve for x
    x = 73,319,506.75/9,824.16
  6. Step 6: Final answer
    x = 7,463.18

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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.