Home / 11,357.01-15,670.73-10,438.36

Finding the Fourth Proportional to 11,357.01, 15,670.73 and 10,438.36

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Solution

The fourth proportional to 11,357.01, 15,670.73 and 10,438.36 is: 14,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.01 : 15,670.73 = 10,438.36 : x
  2. Step 2: Convert to fraction form
    11,357.01/15,670.73 = 10,438.36/x
  3. Step 3: Cross multiply
    11,357.01x = 15,670.73 × 10,438.36
  4. Step 4: Simplify right side
    11,357.01x = 163,576,629.83
  5. Step 5: Solve for x
    x = 163,576,629.83/11,357.01
  6. Step 6: Final answer
    x = 14,403.14

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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.