Home / 30,873.06-46,312.31-8,686.62

Finding the Fourth Proportional to 30,873.06, 46,312.31 and 8,686.62

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Solution

The fourth proportional to 30,873.06, 46,312.31 and 8,686.62 is: 13,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.06 : 46,312.31 = 8,686.62 : x
  2. Step 2: Convert to fraction form
    30,873.06/46,312.31 = 8,686.62/x
  3. Step 3: Cross multiply
    30,873.06x = 46,312.31 × 8,686.62
  4. Step 4: Simplify right side
    30,873.06x = 402,297,460.01
  5. Step 5: Solve for x
    x = 402,297,460.01/30,873.06
  6. Step 6: Final answer
    x = 13,030.70

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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.