Home / 10,935.48-15,091.32-6,220.08

Finding the Fourth Proportional to 10,935.48, 15,091.32 and 6,220.08

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Solution

The fourth proportional to 10,935.48, 15,091.32 and 6,220.08 is: 8,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.48 : 15,091.32 = 6,220.08 : x
  2. Step 2: Convert to fraction form
    10,935.48/15,091.32 = 6,220.08/x
  3. Step 3: Cross multiply
    10,935.48x = 15,091.32 × 6,220.08
  4. Step 4: Simplify right side
    10,935.48x = 93,869,217.71
  5. Step 5: Solve for x
    x = 93,869,217.71/10,935.48
  6. Step 6: Final answer
    x = 8,583.91

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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.