Home / 10,756.39-14,842.08-6,722.74

Finding the Fourth Proportional to 10,756.39, 14,842.08 and 6,722.74

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Solution

The fourth proportional to 10,756.39, 14,842.08 and 6,722.74 is: 9,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.39 : 14,842.08 = 6,722.74 : x
  2. Step 2: Convert to fraction form
    10,756.39/14,842.08 = 6,722.74/x
  3. Step 3: Cross multiply
    10,756.39x = 14,842.08 × 6,722.74
  4. Step 4: Simplify right side
    10,756.39x = 99,779,444.54
  5. Step 5: Solve for x
    x = 99,779,444.54/10,756.39
  6. Step 6: Final answer
    x = 9,276.30

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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.