Home / 7,854.93-10,836.59-5,021.55

Finding the Fourth Proportional to 7,854.93, 10,836.59 and 5,021.55

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Solution

The fourth proportional to 7,854.93, 10,836.59 and 5,021.55 is: 6,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.93 : 10,836.59 = 5,021.55 : x
  2. Step 2: Convert to fraction form
    7,854.93/10,836.59 = 5,021.55/x
  3. Step 3: Cross multiply
    7,854.93x = 10,836.59 × 5,021.55
  4. Step 4: Simplify right side
    7,854.93x = 54,416,453.41
  5. Step 5: Solve for x
    x = 54,416,453.41/7,854.93
  6. Step 6: Final answer
    x = 6,927.68

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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.