Home / 12,858.37-19,271.64-7,588.04

Finding the Fourth Proportional to 12,858.37, 19,271.64 and 7,588.04

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Solution

The fourth proportional to 12,858.37, 19,271.64 and 7,588.04 is: 11,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.37 : 19,271.64 = 7,588.04 : x
  2. Step 2: Convert to fraction form
    12,858.37/19,271.64 = 7,588.04/x
  3. Step 3: Cross multiply
    12,858.37x = 19,271.64 × 7,588.04
  4. Step 4: Simplify right side
    12,858.37x = 146,233,878.83
  5. Step 5: Solve for x
    x = 146,233,878.83/12,858.37
  6. Step 6: Final answer
    x = 11,372.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.