Home / 10,570.28-14,573.72-6,786.76

Finding the Fourth Proportional to 10,570.28, 14,573.72 and 6,786.76

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Solution

The fourth proportional to 10,570.28, 14,573.72 and 6,786.76 is: 9,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.28 : 14,573.72 = 6,786.76 : x
  2. Step 2: Convert to fraction form
    10,570.28/14,573.72 = 6,786.76/x
  3. Step 3: Cross multiply
    10,570.28x = 14,573.72 × 6,786.76
  4. Step 4: Simplify right side
    10,570.28x = 98,908,339.95
  5. Step 5: Solve for x
    x = 98,908,339.95/10,570.28
  6. Step 6: Final answer
    x = 9,357.21

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Half scale
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Double scale
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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.