Home / 10,852.65-14,985.15-8,330.77

Finding the Fourth Proportional to 10,852.65, 14,985.15 and 8,330.77

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Solution

The fourth proportional to 10,852.65, 14,985.15 and 8,330.77 is: 11,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.65 : 14,985.15 = 8,330.77 : x
  2. Step 2: Convert to fraction form
    10,852.65/14,985.15 = 8,330.77/x
  3. Step 3: Cross multiply
    10,852.65x = 14,985.15 × 8,330.77
  4. Step 4: Simplify right side
    10,852.65x = 124,837,838.07
  5. Step 5: Solve for x
    x = 124,837,838.07/10,852.65
  6. Step 6: Final answer
    x = 11,502.98

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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.