Home / 11,320.16-15,624.90-7,341.03

Finding the Fourth Proportional to 11,320.16, 15,624.90 and 7,341.03

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Solution

The fourth proportional to 11,320.16, 15,624.90 and 7,341.03 is: 10,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.16 : 15,624.90 = 7,341.03 : x
  2. Step 2: Convert to fraction form
    11,320.16/15,624.90 = 7,341.03/x
  3. Step 3: Cross multiply
    11,320.16x = 15,624.90 × 7,341.03
  4. Step 4: Simplify right side
    11,320.16x = 114,702,859.65
  5. Step 5: Solve for x
    x = 114,702,859.65/11,320.16
  6. Step 6: Final answer
    x = 10,132.62

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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.