Home / 7,921.33-10,931.70-4,734.52

Finding the Fourth Proportional to 7,921.33, 10,931.70 and 4,734.52

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Solution

The fourth proportional to 7,921.33, 10,931.70 and 4,734.52 is: 6,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.33 : 10,931.70 = 4,734.52 : x
  2. Step 2: Convert to fraction form
    7,921.33/10,931.70 = 4,734.52/x
  3. Step 3: Cross multiply
    7,921.33x = 10,931.70 × 4,734.52
  4. Step 4: Simplify right side
    7,921.33x = 51,756,352.28
  5. Step 5: Solve for x
    x = 51,756,352.28/7,921.33
  6. Step 6: Final answer
    x = 6,533.80

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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.