Home / 7,116.04-10,679.50-3,223.18

Finding the Fourth Proportional to 7,116.04, 10,679.50 and 3,223.18

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Solution

The fourth proportional to 7,116.04, 10,679.50 and 3,223.18 is: 4,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.04 : 10,679.50 = 3,223.18 : x
  2. Step 2: Convert to fraction form
    7,116.04/10,679.50 = 3,223.18/x
  3. Step 3: Cross multiply
    7,116.04x = 10,679.50 × 3,223.18
  4. Step 4: Simplify right side
    7,116.04x = 34,421,950.81
  5. Step 5: Solve for x
    x = 34,421,950.81/7,116.04
  6. Step 6: Final answer
    x = 4,837.23

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Double scale
Find fourth proportional to 7,117.04, 10,681 and 3,224.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.