Home / 9,364.76-12,923.66-5,387.16

Finding the Fourth Proportional to 9,364.76, 12,923.66 and 5,387.16

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Solution

The fourth proportional to 9,364.76, 12,923.66 and 5,387.16 is: 7,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.76 : 12,923.66 = 5,387.16 : x
  2. Step 2: Convert to fraction form
    9,364.76/12,923.66 = 5,387.16/x
  3. Step 3: Cross multiply
    9,364.76x = 12,923.66 × 5,387.16
  4. Step 4: Simplify right side
    9,364.76x = 69,621,824.21
  5. Step 5: Solve for x
    x = 69,621,824.21/9,364.76
  6. Step 6: Final answer
    x = 7,434.45

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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.