Home / 10,934.56-15,089.52-6,457.80

Finding the Fourth Proportional to 10,934.56, 15,089.52 and 6,457.80

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Solution

The fourth proportional to 10,934.56, 15,089.52 and 6,457.80 is: 8,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.56 : 15,089.52 = 6,457.80 : x
  2. Step 2: Convert to fraction form
    10,934.56/15,089.52 = 6,457.80/x
  3. Step 3: Cross multiply
    10,934.56x = 15,089.52 × 6,457.80
  4. Step 4: Simplify right side
    10,934.56x = 97,445,102.26
  5. Step 5: Solve for x
    x = 97,445,102.26/10,934.56
  6. Step 6: Final answer
    x = 8,911.66

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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.