Home / 11,081.04-15,291.84-6,300.72

Finding the Fourth Proportional to 11,081.04, 15,291.84 and 6,300.72

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Solution

The fourth proportional to 11,081.04, 15,291.84 and 6,300.72 is: 8,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.04 : 15,291.84 = 6,300.72 : x
  2. Step 2: Convert to fraction form
    11,081.04/15,291.84 = 6,300.72/x
  3. Step 3: Cross multiply
    11,081.04x = 15,291.84 × 6,300.72
  4. Step 4: Simplify right side
    11,081.04x = 96,349,602.12
  5. Step 5: Solve for x
    x = 96,349,602.12/11,081.04
  6. Step 6: Final answer
    x = 8,695.00

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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.