Home / 8,587.99-11,852.40-5,232.75

Finding the Fourth Proportional to 8,587.99, 11,852.40 and 5,232.75

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Solution

The fourth proportional to 8,587.99, 11,852.40 and 5,232.75 is: 7,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.99 : 11,852.40 = 5,232.75 : x
  2. Step 2: Convert to fraction form
    8,587.99/11,852.40 = 5,232.75/x
  3. Step 3: Cross multiply
    8,587.99x = 11,852.40 × 5,232.75
  4. Step 4: Simplify right side
    8,587.99x = 62,020,646.10
  5. Step 5: Solve for x
    x = 62,020,646.10/8,587.99
  6. Step 6: Final answer
    x = 7,221.79

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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.