Home / 11,567.05-15,946.65-7,315.99

Finding the Fourth Proportional to 11,567.05, 15,946.65 and 7,315.99

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Solution

The fourth proportional to 11,567.05, 15,946.65 and 7,315.99 is: 10,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.05 : 15,946.65 = 7,315.99 : x
  2. Step 2: Convert to fraction form
    11,567.05/15,946.65 = 7,315.99/x
  3. Step 3: Cross multiply
    11,567.05x = 15,946.65 × 7,315.99
  4. Step 4: Simplify right side
    11,567.05x = 116,665,492.07
  5. Step 5: Solve for x
    x = 116,665,492.07/11,567.05
  6. Step 6: Final answer
    x = 10,086.02

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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.