Home / 10,320.65-14,244.77-6,784.19

Finding the Fourth Proportional to 10,320.65, 14,244.77 and 6,784.19

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Solution

The fourth proportional to 10,320.65, 14,244.77 and 6,784.19 is: 9,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.65 : 14,244.77 = 6,784.19 : x
  2. Step 2: Convert to fraction form
    10,320.65/14,244.77 = 6,784.19/x
  3. Step 3: Cross multiply
    10,320.65x = 14,244.77 × 6,784.19
  4. Step 4: Simplify right side
    10,320.65x = 96,639,192.27
  5. Step 5: Solve for x
    x = 96,639,192.27/10,320.65
  6. Step 6: Final answer
    x = 9,363.67

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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.