Home / 7,712.73-10,643.56-4,356.25

Finding the Fourth Proportional to 7,712.73, 10,643.56 and 4,356.25

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Solution

The fourth proportional to 7,712.73, 10,643.56 and 4,356.25 is: 6,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.73 : 10,643.56 = 4,356.25 : x
  2. Step 2: Convert to fraction form
    7,712.73/10,643.56 = 4,356.25/x
  3. Step 3: Cross multiply
    7,712.73x = 10,643.56 × 4,356.25
  4. Step 4: Simplify right side
    7,712.73x = 46,365,970.75
  5. Step 5: Solve for x
    x = 46,365,970.75/7,712.73
  6. Step 6: Final answer
    x = 6,011.62

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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.