Home / 7,916.42-10,928.16-4,730.84

Finding the Fourth Proportional to 7,916.42, 10,928.16 and 4,730.84

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Solution

The fourth proportional to 7,916.42, 10,928.16 and 4,730.84 is: 6,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.42 : 10,928.16 = 4,730.84 : x
  2. Step 2: Convert to fraction form
    7,916.42/10,928.16 = 4,730.84/x
  3. Step 3: Cross multiply
    7,916.42x = 10,928.16 × 4,730.84
  4. Step 4: Simplify right side
    7,916.42x = 51,699,376.45
  5. Step 5: Solve for x
    x = 51,699,376.45/7,916.42
  6. Step 6: Final answer
    x = 6,530.65

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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.