Home / 11,150.00-15,386.64-6,114.09

Finding the Fourth Proportional to 11,150.00, 15,386.64 and 6,114.09

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Solution

The fourth proportional to 11,150.00, 15,386.64 and 6,114.09 is: 8,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.00 : 15,386.64 = 6,114.09 : x
  2. Step 2: Convert to fraction form
    11,150.00/15,386.64 = 6,114.09/x
  3. Step 3: Cross multiply
    11,150.00x = 15,386.64 × 6,114.09
  4. Step 4: Simplify right side
    11,150.00x = 94,075,301.76
  5. Step 5: Solve for x
    x = 94,075,301.76/11,150.00
  6. Step 6: Final answer
    x = 8,437.25

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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.