Home / 7,845.07-10,827.33-4,701.55

Finding the Fourth Proportional to 7,845.07, 10,827.33 and 4,701.55

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Solution

The fourth proportional to 7,845.07, 10,827.33 and 4,701.55 is: 6,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.07 : 10,827.33 = 4,701.55 : x
  2. Step 2: Convert to fraction form
    7,845.07/10,827.33 = 4,701.55/x
  3. Step 3: Cross multiply
    7,845.07x = 10,827.33 × 4,701.55
  4. Step 4: Simplify right side
    7,845.07x = 50,905,155.72
  5. Step 5: Solve for x
    x = 50,905,155.72/7,845.07
  6. Step 6: Final answer
    x = 6,488.81

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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.