Home / 6,931.09-9,555.45-5,042.76

Finding the Fourth Proportional to 6,931.09, 9,555.45 and 5,042.76

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Solution

The fourth proportional to 6,931.09, 9,555.45 and 5,042.76 is: 6,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.09 : 9,555.45 = 5,042.76 : x
  2. Step 2: Convert to fraction form
    6,931.09/9,555.45 = 5,042.76/x
  3. Step 3: Cross multiply
    6,931.09x = 9,555.45 × 5,042.76
  4. Step 4: Simplify right side
    6,931.09x = 48,185,814.66
  5. Step 5: Solve for x
    x = 48,185,814.66/6,931.09
  6. Step 6: Final answer
    x = 6,952.13

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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.