Home / 30,675.07-46,013.62-8,486.58

Finding the Fourth Proportional to 30,675.07, 46,013.62 and 8,486.58

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Solution

The fourth proportional to 30,675.07, 46,013.62 and 8,486.58 is: 12,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.07 : 46,013.62 = 8,486.58 : x
  2. Step 2: Convert to fraction form
    30,675.07/46,013.62 = 8,486.58/x
  3. Step 3: Cross multiply
    30,675.07x = 46,013.62 × 8,486.58
  4. Step 4: Simplify right side
    30,675.07x = 390,498,458.34
  5. Step 5: Solve for x
    x = 390,498,458.34/30,675.07
  6. Step 6: Final answer
    x = 12,730.16

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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.