Home / 11,566.09-15,957.67-7,088.20

Finding the Fourth Proportional to 11,566.09, 15,957.67 and 7,088.20

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Solution

The fourth proportional to 11,566.09, 15,957.67 and 7,088.20 is: 9,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.09 : 15,957.67 = 7,088.20 : x
  2. Step 2: Convert to fraction form
    11,566.09/15,957.67 = 7,088.20/x
  3. Step 3: Cross multiply
    11,566.09x = 15,957.67 × 7,088.20
  4. Step 4: Simplify right side
    11,566.09x = 113,111,156.49
  5. Step 5: Solve for x
    x = 113,111,156.49/11,566.09
  6. Step 6: Final answer
    x = 9,779.55

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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.