Home / 10,307.16-14,223.81-5,591.45

Finding the Fourth Proportional to 10,307.16, 14,223.81 and 5,591.45

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Solution

The fourth proportional to 10,307.16, 14,223.81 and 5,591.45 is: 7,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.16 : 14,223.81 = 5,591.45 : x
  2. Step 2: Convert to fraction form
    10,307.16/14,223.81 = 5,591.45/x
  3. Step 3: Cross multiply
    10,307.16x = 14,223.81 × 5,591.45
  4. Step 4: Simplify right side
    10,307.16x = 79,531,651.31
  5. Step 5: Solve for x
    x = 79,531,651.31/10,307.16
  6. Step 6: Final answer
    x = 7,716.16

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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.