Home / 7,916.75-10,928.48-4,934.06

Finding the Fourth Proportional to 7,916.75, 10,928.48 and 4,934.06

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Solution

The fourth proportional to 7,916.75, 10,928.48 and 4,934.06 is: 6,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.75 : 10,928.48 = 4,934.06 : x
  2. Step 2: Convert to fraction form
    7,916.75/10,928.48 = 4,934.06/x
  3. Step 3: Cross multiply
    7,916.75x = 10,928.48 × 4,934.06
  4. Step 4: Simplify right side
    7,916.75x = 53,921,776.03
  5. Step 5: Solve for x
    x = 53,921,776.03/7,916.75
  6. Step 6: Final answer
    x = 6,811.10

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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.