Home / 10,927.71-15,075.72-6,951.02

Finding the Fourth Proportional to 10,927.71, 15,075.72 and 6,951.02

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Solution

The fourth proportional to 10,927.71, 15,075.72 and 6,951.02 is: 9,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.71 : 15,075.72 = 6,951.02 : x
  2. Step 2: Convert to fraction form
    10,927.71/15,075.72 = 6,951.02/x
  3. Step 3: Cross multiply
    10,927.71x = 15,075.72 × 6,951.02
  4. Step 4: Simplify right side
    10,927.71x = 104,791,555.86
  5. Step 5: Solve for x
    x = 104,791,555.86/10,927.71
  6. Step 6: Final answer
    x = 9,589.53

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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.