Home / 11,557.72-15,957.47-7,585.58

Finding the Fourth Proportional to 11,557.72, 15,957.47 and 7,585.58

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Solution

The fourth proportional to 11,557.72, 15,957.47 and 7,585.58 is: 10,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.72 : 15,957.47 = 7,585.58 : x
  2. Step 2: Convert to fraction form
    11,557.72/15,957.47 = 7,585.58/x
  3. Step 3: Cross multiply
    11,557.72x = 15,957.47 × 7,585.58
  4. Step 4: Simplify right side
    11,557.72x = 121,046,724.14
  5. Step 5: Solve for x
    x = 121,046,724.14/11,557.72
  6. Step 6: Final answer
    x = 10,473.23

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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.