Home / 7,867.04-10,856.40-4,330.16

Finding the Fourth Proportional to 7,867.04, 10,856.40 and 4,330.16

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Solution

The fourth proportional to 7,867.04, 10,856.40 and 4,330.16 is: 5,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.04 : 10,856.40 = 4,330.16 : x
  2. Step 2: Convert to fraction form
    7,867.04/10,856.40 = 4,330.16/x
  3. Step 3: Cross multiply
    7,867.04x = 10,856.40 × 4,330.16
  4. Step 4: Simplify right side
    7,867.04x = 47,009,949.02
  5. Step 5: Solve for x
    x = 47,009,949.02/7,867.04
  6. Step 6: Final answer
    x = 5,975.56

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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.