Home / 10,845.76-14,967.38-6,130.15

Finding the Fourth Proportional to 10,845.76, 14,967.38 and 6,130.15

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Solution

The fourth proportional to 10,845.76, 14,967.38 and 6,130.15 is: 8,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.76 : 14,967.38 = 6,130.15 : x
  2. Step 2: Convert to fraction form
    10,845.76/14,967.38 = 6,130.15/x
  3. Step 3: Cross multiply
    10,845.76x = 14,967.38 × 6,130.15
  4. Step 4: Simplify right side
    10,845.76x = 91,752,284.51
  5. Step 5: Solve for x
    x = 91,752,284.51/10,845.76
  6. Step 6: Final answer
    x = 8,459.74

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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.