Home / 10,015.96-13,807.36-7,022.76

Finding the Fourth Proportional to 10,015.96, 13,807.36 and 7,022.76

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Solution

The fourth proportional to 10,015.96, 13,807.36 and 7,022.76 is: 9,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.96 : 13,807.36 = 7,022.76 : x
  2. Step 2: Convert to fraction form
    10,015.96/13,807.36 = 7,022.76/x
  3. Step 3: Cross multiply
    10,015.96x = 13,807.36 × 7,022.76
  4. Step 4: Simplify right side
    10,015.96x = 96,965,775.51
  5. Step 5: Solve for x
    x = 96,965,775.51/10,015.96
  6. Step 6: Final answer
    x = 9,681.13

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Half 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.