Home / 9,054.90-12,495.74-5,518.13

Finding the Fourth Proportional to 9,054.90, 12,495.74 and 5,518.13

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Solution

The fourth proportional to 9,054.90, 12,495.74 and 5,518.13 is: 7,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.90 : 12,495.74 = 5,518.13 : x
  2. Step 2: Convert to fraction form
    9,054.90/12,495.74 = 5,518.13/x
  3. Step 3: Cross multiply
    9,054.90x = 12,495.74 × 5,518.13
  4. Step 4: Simplify right side
    9,054.90x = 68,953,027.70
  5. Step 5: Solve for x
    x = 68,953,027.70/9,054.90
  6. Step 6: Final answer
    x = 7,615.00

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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.