Home / 9,364.16-12,923.52-5,385.92

Finding the Fourth Proportional to 9,364.16, 12,923.52 and 5,385.92

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Solution

The fourth proportional to 9,364.16, 12,923.52 and 5,385.92 is: 7,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.16 : 12,923.52 = 5,385.92 : x
  2. Step 2: Convert to fraction form
    9,364.16/12,923.52 = 5,385.92/x
  3. Step 3: Cross multiply
    9,364.16x = 12,923.52 × 5,385.92
  4. Step 4: Simplify right side
    9,364.16x = 69,605,044.84
  5. Step 5: Solve for x
    x = 69,605,044.84/9,364.16
  6. Step 6: Final answer
    x = 7,433.13

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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.