Home / 7,848.12-10,830.35-4,263.05

Finding the Fourth Proportional to 7,848.12, 10,830.35 and 4,263.05

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Solution

The fourth proportional to 7,848.12, 10,830.35 and 4,263.05 is: 5,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.12 : 10,830.35 = 4,263.05 : x
  2. Step 2: Convert to fraction form
    7,848.12/10,830.35 = 4,263.05/x
  3. Step 3: Cross multiply
    7,848.12x = 10,830.35 × 4,263.05
  4. Step 4: Simplify right side
    7,848.12x = 46,170,269.42
  5. Step 5: Solve for x
    x = 46,170,269.42/7,848.12
  6. Step 6: Final answer
    x = 5,882.97

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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.