Home / 11,259.60-15,521.18-7,476.08

Finding the Fourth Proportional to 11,259.60, 15,521.18 and 7,476.08

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Solution

The fourth proportional to 11,259.60, 15,521.18 and 7,476.08 is: 10,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.60 : 15,521.18 = 7,476.08 : x
  2. Step 2: Convert to fraction form
    11,259.60/15,521.18 = 7,476.08/x
  3. Step 3: Cross multiply
    11,259.60x = 15,521.18 × 7,476.08
  4. Step 4: Simplify right side
    11,259.60x = 116,037,583.37
  5. Step 5: Solve for x
    x = 116,037,583.37/11,259.60
  6. Step 6: Final answer
    x = 10,305.66

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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.