Home / 10,384.48-14,346.20-6,807.92

Finding the Fourth Proportional to 10,384.48, 14,346.20 and 6,807.92

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Solution

The fourth proportional to 10,384.48, 14,346.20 and 6,807.92 is: 9,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.48 : 14,346.20 = 6,807.92 : x
  2. Step 2: Convert to fraction form
    10,384.48/14,346.20 = 6,807.92/x
  3. Step 3: Cross multiply
    10,384.48x = 14,346.20 × 6,807.92
  4. Step 4: Simplify right side
    10,384.48x = 97,667,834.79
  5. Step 5: Solve for x
    x = 97,667,834.79/10,384.48
  6. Step 6: Final answer
    x = 9,405.18

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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.