Home / 11,985.24-16,535.04-7,507.08

Finding the Fourth Proportional to 11,985.24, 16,535.04 and 7,507.08

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Solution

The fourth proportional to 11,985.24, 16,535.04 and 7,507.08 is: 10,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.24 : 16,535.04 = 7,507.08 : x
  2. Step 2: Convert to fraction form
    11,985.24/16,535.04 = 7,507.08/x
  3. Step 3: Cross multiply
    11,985.24x = 16,535.04 × 7,507.08
  4. Step 4: Simplify right side
    11,985.24x = 124,129,868.08
  5. Step 5: Solve for x
    x = 124,129,868.08/11,985.24
  6. Step 6: Final answer
    x = 10,356.89

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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.