Home / 7,904.07-11,856.15-4,618.08

Finding the Fourth Proportional to 7,904.07, 11,856.15 and 4,618.08

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Solution

The fourth proportional to 7,904.07, 11,856.15 and 4,618.08 is: 6,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.07 : 11,856.15 = 4,618.08 : x
  2. Step 2: Convert to fraction form
    7,904.07/11,856.15 = 4,618.08/x
  3. Step 3: Cross multiply
    7,904.07x = 11,856.15 × 4,618.08
  4. Step 4: Simplify right side
    7,904.07x = 54,752,649.19
  5. Step 5: Solve for x
    x = 54,752,649.19/7,904.07
  6. Step 6: Final answer
    x = 6,927.15

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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.