Home / 9,272.30-12,795.28-5,079.74

Finding the Fourth Proportional to 9,272.30, 12,795.28 and 5,079.74

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Solution

The fourth proportional to 9,272.30, 12,795.28 and 5,079.74 is: 7,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.30 : 12,795.28 = 5,079.74 : x
  2. Step 2: Convert to fraction form
    9,272.30/12,795.28 = 5,079.74/x
  3. Step 3: Cross multiply
    9,272.30x = 12,795.28 × 5,079.74
  4. Step 4: Simplify right side
    9,272.30x = 64,996,695.63
  5. Step 5: Solve for x
    x = 64,996,695.63/9,272.30
  6. Step 6: Final answer
    x = 7,009.77

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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.