Home / 10,260.64-14,158.60-5,784.28

Finding the Fourth Proportional to 10,260.64, 14,158.60 and 5,784.28

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Solution

The fourth proportional to 10,260.64, 14,158.60 and 5,784.28 is: 7,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.64 : 14,158.60 = 5,784.28 : x
  2. Step 2: Convert to fraction form
    10,260.64/14,158.60 = 5,784.28/x
  3. Step 3: Cross multiply
    10,260.64x = 14,158.60 × 5,784.28
  4. Step 4: Simplify right side
    10,260.64x = 81,897,306.81
  5. Step 5: Solve for x
    x = 81,897,306.81/10,260.64
  6. Step 6: Final answer
    x = 7,981.70

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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.