Home / 7,355.03-10,148.94-4,700.55

Finding the Fourth Proportional to 7,355.03, 10,148.94 and 4,700.55

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Solution

The fourth proportional to 7,355.03, 10,148.94 and 4,700.55 is: 6,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.03 : 10,148.94 = 4,700.55 : x
  2. Step 2: Convert to fraction form
    7,355.03/10,148.94 = 4,700.55/x
  3. Step 3: Cross multiply
    7,355.03x = 10,148.94 × 4,700.55
  4. Step 4: Simplify right side
    7,355.03x = 47,705,599.92
  5. Step 5: Solve for x
    x = 47,705,599.92/7,355.03
  6. Step 6: Final answer
    x = 6,486.12

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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.