Home / 11,294.91-15,587.51-7,048.49

Finding the Fourth Proportional to 11,294.91, 15,587.51 and 7,048.49

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Solution

The fourth proportional to 11,294.91, 15,587.51 and 7,048.49 is: 9,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.91 : 15,587.51 = 7,048.49 : x
  2. Step 2: Convert to fraction form
    11,294.91/15,587.51 = 7,048.49/x
  3. Step 3: Cross multiply
    11,294.91x = 15,587.51 × 7,048.49
  4. Step 4: Simplify right side
    11,294.91x = 109,868,295.18
  5. Step 5: Solve for x
    x = 109,868,295.18/11,294.91
  6. Step 6: Final answer
    x = 9,727.24

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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.