Home / 11,312.65-15,611.47-6,597.84

Finding the Fourth Proportional to 11,312.65, 15,611.47 and 6,597.84

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Solution

The fourth proportional to 11,312.65, 15,611.47 and 6,597.84 is: 9,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.65 : 15,611.47 = 6,597.84 : x
  2. Step 2: Convert to fraction form
    11,312.65/15,611.47 = 6,597.84/x
  3. Step 3: Cross multiply
    11,312.65x = 15,611.47 × 6,597.84
  4. Step 4: Simplify right side
    11,312.65x = 103,001,981.22
  5. Step 5: Solve for x
    x = 103,001,981.22/11,312.65
  6. Step 6: Final answer
    x = 9,105.03

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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.