Home / 30,790.08-46,155.96-9,999

Finding the Fourth Proportional to 30,790.08, 46,155.96 and 9,999

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Solution

The fourth proportional to 30,790.08, 46,155.96 and 9,999 is: 14,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.08 : 46,155.96 = 9,999 : x
  2. Step 2: Convert to fraction form
    30,790.08/46,155.96 = 9,999/x
  3. Step 3: Cross multiply
    30,790.08x = 46,155.96 × 9,999
  4. Step 4: Simplify right side
    30,790.08x = 461,513,444.04
  5. Step 5: Solve for x
    x = 461,513,444.04/30,790.08
  6. Step 6: Final answer
    x = 14,989.03

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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.