Home / 11,563.06-15,953.12-7,528.04

Finding the Fourth Proportional to 11,563.06, 15,953.12 and 7,528.04

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Solution

The fourth proportional to 11,563.06, 15,953.12 and 7,528.04 is: 10,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.06 : 15,953.12 = 7,528.04 : x
  2. Step 2: Convert to fraction form
    11,563.06/15,953.12 = 7,528.04/x
  3. Step 3: Cross multiply
    11,563.06x = 15,953.12 × 7,528.04
  4. Step 4: Simplify right side
    11,563.06x = 120,095,784.19
  5. Step 5: Solve for x
    x = 120,095,784.19/11,563.06
  6. Step 6: Final answer
    x = 10,386.16

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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.