Home / 9,914.84-13,681.22-5,666.18

Finding the Fourth Proportional to 9,914.84, 13,681.22 and 5,666.18

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Solution

The fourth proportional to 9,914.84, 13,681.22 and 5,666.18 is: 7,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.84 : 13,681.22 = 5,666.18 : x
  2. Step 2: Convert to fraction form
    9,914.84/13,681.22 = 5,666.18/x
  3. Step 3: Cross multiply
    9,914.84x = 13,681.22 × 5,666.18
  4. Step 4: Simplify right side
    9,914.84x = 77,520,158.40
  5. Step 5: Solve for x
    x = 77,520,158.40/9,914.84
  6. Step 6: Final answer
    x = 7,818.60

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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.