Home / 9,400.59-12,976.07-5,423.29

Finding the Fourth Proportional to 9,400.59, 12,976.07 and 5,423.29

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Solution

The fourth proportional to 9,400.59, 12,976.07 and 5,423.29 is: 7,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.59 : 12,976.07 = 5,423.29 : x
  2. Step 2: Convert to fraction form
    9,400.59/12,976.07 = 5,423.29/x
  3. Step 3: Cross multiply
    9,400.59x = 12,976.07 × 5,423.29
  4. Step 4: Simplify right side
    9,400.59x = 70,372,931.11
  5. Step 5: Solve for x
    x = 70,372,931.11/9,400.59
  6. Step 6: Final answer
    x = 7,486.01

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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.