Home / 10,860.60-14,988.05-6,015.45

Finding the Fourth Proportional to 10,860.60, 14,988.05 and 6,015.45

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Solution

The fourth proportional to 10,860.60, 14,988.05 and 6,015.45 is: 8,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.60 : 14,988.05 = 6,015.45 : x
  2. Step 2: Convert to fraction form
    10,860.60/14,988.05 = 6,015.45/x
  3. Step 3: Cross multiply
    10,860.60x = 14,988.05 × 6,015.45
  4. Step 4: Simplify right side
    10,860.60x = 90,159,865.37
  5. Step 5: Solve for x
    x = 90,159,865.37/10,860.60
  6. Step 6: Final answer
    x = 8,301.55

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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.