Home / 11,583.65-15,976.99-7,335.40

Finding the Fourth Proportional to 11,583.65, 15,976.99 and 7,335.40

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Solution

The fourth proportional to 11,583.65, 15,976.99 and 7,335.40 is: 10,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.65 : 15,976.99 = 7,335.40 : x
  2. Step 2: Convert to fraction form
    11,583.65/15,976.99 = 7,335.40/x
  3. Step 3: Cross multiply
    11,583.65x = 15,976.99 × 7,335.40
  4. Step 4: Simplify right side
    11,583.65x = 117,197,612.45
  5. Step 5: Solve for x
    x = 117,197,612.45/11,583.65
  6. Step 6: Final answer
    x = 10,117.50

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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.