Home / 10,366.93-14,307.68-7,721.87

Finding the Fourth Proportional to 10,366.93, 14,307.68 and 7,721.87

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Solution

The fourth proportional to 10,366.93, 14,307.68 and 7,721.87 is: 10,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.93 : 14,307.68 = 7,721.87 : x
  2. Step 2: Convert to fraction form
    10,366.93/14,307.68 = 7,721.87/x
  3. Step 3: Cross multiply
    10,366.93x = 14,307.68 × 7,721.87
  4. Step 4: Simplify right side
    10,366.93x = 110,482,006.35
  5. Step 5: Solve for x
    x = 110,482,006.35/10,366.93
  6. Step 6: Final answer
    x = 10,657.16

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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.