Home / 7,767.29-10,715.45-5,248.48

Finding the Fourth Proportional to 7,767.29, 10,715.45 and 5,248.48

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Solution

The fourth proportional to 7,767.29, 10,715.45 and 5,248.48 is: 7,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.29 : 10,715.45 = 5,248.48 : x
  2. Step 2: Convert to fraction form
    7,767.29/10,715.45 = 5,248.48/x
  3. Step 3: Cross multiply
    7,767.29x = 10,715.45 × 5,248.48
  4. Step 4: Simplify right side
    7,767.29x = 56,239,818.46
  5. Step 5: Solve for x
    x = 56,239,818.46/7,767.29
  6. Step 6: Final answer
    x = 7,240.60

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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.