Home / 10,389.51-15,589.13-6,010.65

Finding the Fourth Proportional to 10,389.51, 15,589.13 and 6,010.65

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Solution

The fourth proportional to 10,389.51, 15,589.13 and 6,010.65 is: 9,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.51 : 15,589.13 = 6,010.65 : x
  2. Step 2: Convert to fraction form
    10,389.51/15,589.13 = 6,010.65/x
  3. Step 3: Cross multiply
    10,389.51x = 15,589.13 × 6,010.65
  4. Step 4: Simplify right side
    10,389.51x = 93,700,774.18
  5. Step 5: Solve for x
    x = 93,700,774.18/10,389.51
  6. Step 6: Final answer
    x = 9,018.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.