Home / 7,861.53-10,848.95-4,276.49

Finding the Fourth Proportional to 7,861.53, 10,848.95 and 4,276.49

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Solution

The fourth proportional to 7,861.53, 10,848.95 and 4,276.49 is: 5,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.53 : 10,848.95 = 4,276.49 : x
  2. Step 2: Convert to fraction form
    7,861.53/10,848.95 = 4,276.49/x
  3. Step 3: Cross multiply
    7,861.53x = 10,848.95 × 4,276.49
  4. Step 4: Simplify right side
    7,861.53x = 46,395,404.80
  5. Step 5: Solve for x
    x = 46,395,404.80/7,861.53
  6. Step 6: Final answer
    x = 5,901.57

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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.