Home / 10,353.32-14,287.58-5,637.64

Finding the Fourth Proportional to 10,353.32, 14,287.58 and 5,637.64

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Solution

The fourth proportional to 10,353.32, 14,287.58 and 5,637.64 is: 7,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.32 : 14,287.58 = 5,637.64 : x
  2. Step 2: Convert to fraction form
    10,353.32/14,287.58 = 5,637.64/x
  3. Step 3: Cross multiply
    10,353.32x = 14,287.58 × 5,637.64
  4. Step 4: Simplify right side
    10,353.32x = 80,548,232.51
  5. Step 5: Solve for x
    x = 80,548,232.51/10,353.32
  6. Step 6: Final answer
    x = 7,779.94

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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.