Home / 10,259.51-15,364.40-5,863.64

Finding the Fourth Proportional to 10,259.51, 15,364.40 and 5,863.64

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Solution

The fourth proportional to 10,259.51, 15,364.40 and 5,863.64 is: 8,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.51 : 15,364.40 = 5,863.64 : x
  2. Step 2: Convert to fraction form
    10,259.51/15,364.40 = 5,863.64/x
  3. Step 3: Cross multiply
    10,259.51x = 15,364.40 × 5,863.64
  4. Step 4: Simplify right side
    10,259.51x = 90,091,204.28
  5. Step 5: Solve for x
    x = 90,091,204.28/10,259.51
  6. Step 6: Final answer
    x = 8,781.24

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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.