Home / 7,835.18-10,812.01-4,298.30

Finding the Fourth Proportional to 7,835.18, 10,812.01 and 4,298.30

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Solution

The fourth proportional to 7,835.18, 10,812.01 and 4,298.30 is: 5,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.18 : 10,812.01 = 4,298.30 : x
  2. Step 2: Convert to fraction form
    7,835.18/10,812.01 = 4,298.30/x
  3. Step 3: Cross multiply
    7,835.18x = 10,812.01 × 4,298.30
  4. Step 4: Simplify right side
    7,835.18x = 46,473,262.58
  5. Step 5: Solve for x
    x = 46,473,262.58/7,835.18
  6. Step 6: Final answer
    x = 5,931.36

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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.