Home / 10,476.12-15,703.80-4,919.52

Finding the Fourth Proportional to 10,476.12, 15,703.80 and 4,919.52

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Solution

The fourth proportional to 10,476.12, 15,703.80 and 4,919.52 is: 7,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.12 : 15,703.80 = 4,919.52 : x
  2. Step 2: Convert to fraction form
    10,476.12/15,703.80 = 4,919.52/x
  3. Step 3: Cross multiply
    10,476.12x = 15,703.80 × 4,919.52
  4. Step 4: Simplify right side
    10,476.12x = 77,255,118.92
  5. Step 5: Solve for x
    x = 77,255,118.92/10,476.12
  6. Step 6: Final answer
    x = 7,374.40

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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.