Home / 11,088.63-15,297.93-7,313.63

Finding the Fourth Proportional to 11,088.63, 15,297.93 and 7,313.63

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Solution

The fourth proportional to 11,088.63, 15,297.93 and 7,313.63 is: 10,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.63 : 15,297.93 = 7,313.63 : x
  2. Step 2: Convert to fraction form
    11,088.63/15,297.93 = 7,313.63/x
  3. Step 3: Cross multiply
    11,088.63x = 15,297.93 × 7,313.63
  4. Step 4: Simplify right side
    11,088.63x = 111,883,323.30
  5. Step 5: Solve for x
    x = 111,883,323.30/11,088.63
  6. Step 6: Final answer
    x = 10,089.91

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Double scale
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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.