Home / 10,780.26-14,877.08-6,530.41

Finding the Fourth Proportional to 10,780.26, 14,877.08 and 6,530.41

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Solution

The fourth proportional to 10,780.26, 14,877.08 and 6,530.41 is: 9,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.26 : 14,877.08 = 6,530.41 : x
  2. Step 2: Convert to fraction form
    10,780.26/14,877.08 = 6,530.41/x
  3. Step 3: Cross multiply
    10,780.26x = 14,877.08 × 6,530.41
  4. Step 4: Simplify right side
    10,780.26x = 97,153,432.00
  5. Step 5: Solve for x
    x = 97,153,432.00/10,780.26
  6. Step 6: Final answer
    x = 9,012.16

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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.