Home / 7,526.38-10,386.69-4,169.12

Finding the Fourth Proportional to 7,526.38, 10,386.69 and 4,169.12

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Solution

The fourth proportional to 7,526.38, 10,386.69 and 4,169.12 is: 5,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.38 : 10,386.69 = 4,169.12 : x
  2. Step 2: Convert to fraction form
    7,526.38/10,386.69 = 4,169.12/x
  3. Step 3: Cross multiply
    7,526.38x = 10,386.69 × 4,169.12
  4. Step 4: Simplify right side
    7,526.38x = 43,303,357.01
  5. Step 5: Solve for x
    x = 43,303,357.01/7,526.38
  6. Step 6: Final answer
    x = 5,753.54

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Half scale
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Double scale
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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.