Home / 7,867.06-10,856.55-4,330.20

Finding the Fourth Proportional to 7,867.06, 10,856.55 and 4,330.20

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Solution

The fourth proportional to 7,867.06, 10,856.55 and 4,330.20 is: 5,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.06 : 10,856.55 = 4,330.20 : x
  2. Step 2: Convert to fraction form
    7,867.06/10,856.55 = 4,330.20/x
  3. Step 3: Cross multiply
    7,867.06x = 10,856.55 × 4,330.20
  4. Step 4: Simplify right side
    7,867.06x = 47,011,032.81
  5. Step 5: Solve for x
    x = 47,011,032.81/7,867.06
  6. Step 6: Final answer
    x = 5,975.68

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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.