Home / 7,730.34-11,595.53-1,886.95

Finding the Fourth Proportional to 7,730.34, 11,595.53 and 1,886.95

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Solution

The fourth proportional to 7,730.34, 11,595.53 and 1,886.95 is: 2,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.34 : 11,595.53 = 1,886.95 : x
  2. Step 2: Convert to fraction form
    7,730.34/11,595.53 = 1,886.95/x
  3. Step 3: Cross multiply
    7,730.34x = 11,595.53 × 1,886.95
  4. Step 4: Simplify right side
    7,730.34x = 21,880,148.93
  5. Step 5: Solve for x
    x = 21,880,148.93/7,730.34
  6. Step 6: Final answer
    x = 2,830.43

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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.