Home / 12,088.51-18,160.54-8,587.01

Finding the Fourth Proportional to 12,088.51, 18,160.54 and 8,587.01

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Solution

The fourth proportional to 12,088.51, 18,160.54 and 8,587.01 is: 12,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.51 : 18,160.54 = 8,587.01 : x
  2. Step 2: Convert to fraction form
    12,088.51/18,160.54 = 8,587.01/x
  3. Step 3: Cross multiply
    12,088.51x = 18,160.54 × 8,587.01
  4. Step 4: Simplify right side
    12,088.51x = 155,944,762.52
  5. Step 5: Solve for x
    x = 155,944,762.52/12,088.51
  6. Step 6: Final answer
    x = 12,900.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.