Home / 9,292.16-12,816.56-6,152.64

Finding the Fourth Proportional to 9,292.16, 12,816.56 and 6,152.64

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Solution

The fourth proportional to 9,292.16, 12,816.56 and 6,152.64 is: 8,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.16 : 12,816.56 = 6,152.64 : x
  2. Step 2: Convert to fraction form
    9,292.16/12,816.56 = 6,152.64/x
  3. Step 3: Cross multiply
    9,292.16x = 12,816.56 × 6,152.64
  4. Step 4: Simplify right side
    9,292.16x = 78,855,679.72
  5. Step 5: Solve for x
    x = 78,855,679.72/9,292.16
  6. Step 6: Final answer
    x = 8,486.26

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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.