Home / 10,558.70-14,576.78-7,206.51

Finding the Fourth Proportional to 10,558.70, 14,576.78 and 7,206.51

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Solution

The fourth proportional to 10,558.70, 14,576.78 and 7,206.51 is: 9,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.70 : 14,576.78 = 7,206.51 : x
  2. Step 2: Convert to fraction form
    10,558.70/14,576.78 = 7,206.51/x
  3. Step 3: Cross multiply
    10,558.70x = 14,576.78 × 7,206.51
  4. Step 4: Simplify right side
    10,558.70x = 105,047,728.85
  5. Step 5: Solve for x
    x = 105,047,728.85/10,558.70
  6. Step 6: Final answer
    x = 9,948.93

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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.