Home / 10,615.08-14,648.96-6,423.36

Finding the Fourth Proportional to 10,615.08, 14,648.96 and 6,423.36

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Solution

The fourth proportional to 10,615.08, 14,648.96 and 6,423.36 is: 8,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.08 : 14,648.96 = 6,423.36 : x
  2. Step 2: Convert to fraction form
    10,615.08/14,648.96 = 6,423.36/x
  3. Step 3: Cross multiply
    10,615.08x = 14,648.96 × 6,423.36
  4. Step 4: Simplify right side
    10,615.08x = 94,095,543.71
  5. Step 5: Solve for x
    x = 94,095,543.71/10,615.08
  6. Step 6: Final answer
    x = 8,864.33

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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.