Home / 10,686.23-14,747.70-7,095.57

Finding the Fourth Proportional to 10,686.23, 14,747.70 and 7,095.57

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Solution

The fourth proportional to 10,686.23, 14,747.70 and 7,095.57 is: 9,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.23 : 14,747.70 = 7,095.57 : x
  2. Step 2: Convert to fraction form
    10,686.23/14,747.70 = 7,095.57/x
  3. Step 3: Cross multiply
    10,686.23x = 14,747.70 × 7,095.57
  4. Step 4: Simplify right side
    10,686.23x = 104,643,228.47
  5. Step 5: Solve for x
    x = 104,643,228.47/10,686.23
  6. Step 6: Final answer
    x = 9,792.34

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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.