Home / 9,346.65-12,896.90-5,569.72

Finding the Fourth Proportional to 9,346.65, 12,896.90 and 5,569.72

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Solution

The fourth proportional to 9,346.65, 12,896.90 and 5,569.72 is: 7,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.65 : 12,896.90 = 5,569.72 : x
  2. Step 2: Convert to fraction form
    9,346.65/12,896.90 = 5,569.72/x
  3. Step 3: Cross multiply
    9,346.65x = 12,896.90 × 5,569.72
  4. Step 4: Simplify right side
    9,346.65x = 71,832,186.54
  5. Step 5: Solve for x
    x = 71,832,186.54/9,346.65
  6. Step 6: Final answer
    x = 7,685.34

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Half scale
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Double scale
Find fourth proportional to 9,347.65, 12,898.28 and 5,570.72
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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.