Home / 7,835.28-10,812.57-4,298.49

Finding the Fourth Proportional to 7,835.28, 10,812.57 and 4,298.49

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Solution

The fourth proportional to 7,835.28, 10,812.57 and 4,298.49 is: 5,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.28 : 10,812.57 = 4,298.49 : x
  2. Step 2: Convert to fraction form
    7,835.28/10,812.57 = 4,298.49/x
  3. Step 3: Cross multiply
    7,835.28x = 10,812.57 × 4,298.49
  4. Step 4: Simplify right side
    7,835.28x = 46,477,724.02
  5. Step 5: Solve for x
    x = 46,477,724.02/7,835.28
  6. Step 6: Final answer
    x = 5,931.85

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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.