Home / 9,051.95-12,489.34-5,464.07

Finding the Fourth Proportional to 9,051.95, 12,489.34 and 5,464.07

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Solution

The fourth proportional to 9,051.95, 12,489.34 and 5,464.07 is: 7,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.95 : 12,489.34 = 5,464.07 : x
  2. Step 2: Convert to fraction form
    9,051.95/12,489.34 = 5,464.07/x
  3. Step 3: Cross multiply
    9,051.95x = 12,489.34 × 5,464.07
  4. Step 4: Simplify right side
    9,051.95x = 68,242,641.67
  5. Step 5: Solve for x
    x = 68,242,641.67/9,051.95
  6. Step 6: Final answer
    x = 7,539.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.