Home / 7,925.14-10,938.88-4,740.63

Finding the Fourth Proportional to 7,925.14, 10,938.88 and 4,740.63

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Solution

The fourth proportional to 7,925.14, 10,938.88 and 4,740.63 is: 6,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.14 : 10,938.88 = 4,740.63 : x
  2. Step 2: Convert to fraction form
    7,925.14/10,938.88 = 4,740.63/x
  3. Step 3: Cross multiply
    7,925.14x = 10,938.88 × 4,740.63
  4. Step 4: Simplify right side
    7,925.14x = 51,857,147.60
  5. Step 5: Solve for x
    x = 51,857,147.60/7,925.14
  6. Step 6: Final answer
    x = 6,543.37

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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.