Home / 7,854.40-10,838.16-4,667.83

Finding the Fourth Proportional to 7,854.40, 10,838.16 and 4,667.83

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Solution

The fourth proportional to 7,854.40, 10,838.16 and 4,667.83 is: 6,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.40 : 10,838.16 = 4,667.83 : x
  2. Step 2: Convert to fraction form
    7,854.40/10,838.16 = 4,667.83/x
  3. Step 3: Cross multiply
    7,854.40x = 10,838.16 × 4,667.83
  4. Step 4: Simplify right side
    7,854.40x = 50,590,688.39
  5. Step 5: Solve for x
    x = 50,590,688.39/7,854.40
  6. Step 6: Final answer
    x = 6,441.06

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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.