Home / 9,386.45-12,952.77-5,136.71

Finding the Fourth Proportional to 9,386.45, 12,952.77 and 5,136.71

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Solution

The fourth proportional to 9,386.45, 12,952.77 and 5,136.71 is: 7,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.45 : 12,952.77 = 5,136.71 : x
  2. Step 2: Convert to fraction form
    9,386.45/12,952.77 = 5,136.71/x
  3. Step 3: Cross multiply
    9,386.45x = 12,952.77 × 5,136.71
  4. Step 4: Simplify right side
    9,386.45x = 66,534,623.19
  5. Step 5: Solve for x
    x = 66,534,623.19/9,386.45
  6. Step 6: Final answer
    x = 7,088.37

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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.