Home / 11,248.36-15,521.70-7,049.32

Finding the Fourth Proportional to 11,248.36, 15,521.70 and 7,049.32

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Solution

The fourth proportional to 11,248.36, 15,521.70 and 7,049.32 is: 9,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.36 : 15,521.70 = 7,049.32 : x
  2. Step 2: Convert to fraction form
    11,248.36/15,521.70 = 7,049.32/x
  3. Step 3: Cross multiply
    11,248.36x = 15,521.70 × 7,049.32
  4. Step 4: Simplify right side
    11,248.36x = 109,417,430.24
  5. Step 5: Solve for x
    x = 109,417,430.24/11,248.36
  6. Step 6: Final answer
    x = 9,727.41

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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.