Home / 7,342.32-10,140.80-4,835.63

Finding the Fourth Proportional to 7,342.32, 10,140.80 and 4,835.63

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Solution

The fourth proportional to 7,342.32, 10,140.80 and 4,835.63 is: 6,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.32 : 10,140.80 = 4,835.63 : x
  2. Step 2: Convert to fraction form
    7,342.32/10,140.80 = 4,835.63/x
  3. Step 3: Cross multiply
    7,342.32x = 10,140.80 × 4,835.63
  4. Step 4: Simplify right side
    7,342.32x = 49,037,156.70
  5. Step 5: Solve for x
    x = 49,037,156.70/7,342.32
  6. Step 6: Final answer
    x = 6,678.71

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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.