Home / 7,927.34-10,939.70-4,570.13

Finding the Fourth Proportional to 7,927.34, 10,939.70 and 4,570.13

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Solution

The fourth proportional to 7,927.34, 10,939.70 and 4,570.13 is: 6,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.34 : 10,939.70 = 4,570.13 : x
  2. Step 2: Convert to fraction form
    7,927.34/10,939.70 = 4,570.13/x
  3. Step 3: Cross multiply
    7,927.34x = 10,939.70 × 4,570.13
  4. Step 4: Simplify right side
    7,927.34x = 49,995,828.31
  5. Step 5: Solve for x
    x = 49,995,828.31/7,927.34
  6. Step 6: Final answer
    x = 6,306.76

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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.