Home / 10,848.60-14,979.60-7,495.20

Finding the Fourth Proportional to 10,848.60, 14,979.60 and 7,495.20

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Solution

The fourth proportional to 10,848.60, 14,979.60 and 7,495.20 is: 10,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.60 : 14,979.60 = 7,495.20 : x
  2. Step 2: Convert to fraction form
    10,848.60/14,979.60 = 7,495.20/x
  3. Step 3: Cross multiply
    10,848.60x = 14,979.60 × 7,495.20
  4. Step 4: Simplify right side
    10,848.60x = 112,275,097.92
  5. Step 5: Solve for x
    x = 112,275,097.92/10,848.60
  6. Step 6: Final answer
    x = 10,349.27

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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.