Home / 11,263.58-15,537.39-7,015.32

Finding the Fourth Proportional to 11,263.58, 15,537.39 and 7,015.32

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Solution

The fourth proportional to 11,263.58, 15,537.39 and 7,015.32 is: 9,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.58 : 15,537.39 = 7,015.32 : x
  2. Step 2: Convert to fraction form
    11,263.58/15,537.39 = 7,015.32/x
  3. Step 3: Cross multiply
    11,263.58x = 15,537.39 × 7,015.32
  4. Step 4: Simplify right side
    11,263.58x = 108,999,762.81
  5. Step 5: Solve for x
    x = 108,999,762.81/11,263.58
  6. Step 6: Final answer
    x = 9,677.19

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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.