Home / 10,011.07-13,799.37-7,883.22

Finding the Fourth Proportional to 10,011.07, 13,799.37 and 7,883.22

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Solution

The fourth proportional to 10,011.07, 13,799.37 and 7,883.22 is: 10,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.07 : 13,799.37 = 7,883.22 : x
  2. Step 2: Convert to fraction form
    10,011.07/13,799.37 = 7,883.22/x
  3. Step 3: Cross multiply
    10,011.07x = 13,799.37 × 7,883.22
  4. Step 4: Simplify right side
    10,011.07x = 108,783,430.16
  5. Step 5: Solve for x
    x = 108,783,430.16/10,011.07
  6. Step 6: Final answer
    x = 10,866.32

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Double scale
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Similar ratio
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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.