Home / 7,869.63-10,859.76-4,510.11

Finding the Fourth Proportional to 7,869.63, 10,859.76 and 4,510.11

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Solution

The fourth proportional to 7,869.63, 10,859.76 and 4,510.11 is: 6,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.63 : 10,859.76 = 4,510.11 : x
  2. Step 2: Convert to fraction form
    7,869.63/10,859.76 = 4,510.11/x
  3. Step 3: Cross multiply
    7,869.63x = 10,859.76 × 4,510.11
  4. Step 4: Simplify right side
    7,869.63x = 48,978,712.17
  5. Step 5: Solve for x
    x = 48,978,712.17/7,869.63
  6. Step 6: Final answer
    x = 6,223.76

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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.