Home / 7,931.67-10,945.71-4,394.94

Finding the Fourth Proportional to 7,931.67, 10,945.71 and 4,394.94

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Solution

The fourth proportional to 7,931.67, 10,945.71 and 4,394.94 is: 6,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.67 : 10,945.71 = 4,394.94 : x
  2. Step 2: Convert to fraction form
    7,931.67/10,945.71 = 4,394.94/x
  3. Step 3: Cross multiply
    7,931.67x = 10,945.71 × 4,394.94
  4. Step 4: Simplify right side
    7,931.67x = 48,105,738.71
  5. Step 5: Solve for x
    x = 48,105,738.71/7,931.67
  6. Step 6: Final answer
    x = 6,065.02

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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.